NIHON GAZO GAKKAISHI (Journal of the Imaging Society of Japan)
Online ISSN : 1880-4675
Print ISSN : 1344-4425
ISSN-L : 1344-4425
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Regular Paper
  • Hikaru HAMANO, Souichi TANAKA, Takuma SHIBATA, Yasuhiko SUETOMI, Kazuk ...
    2021 Volume 60 Issue 3 Pages 226-231
    Published: June 10, 2021
    Released: June 10, 2021
    JOURNALS FREE ACCESS

    A “harmonica chip,” a technology unique to Konica Minolta, is characterized by low heat generation, high frequency drive, and a compact multi-row structure. Based on this technology we have developed products of thin high-resolution inkjet heads such as KM1024i and KM1800i. KM1024aLHG-RC is a new product of Konica Minolta with an ink recirculation function added to the harmonica chip. The recirculating path has been designed to exhibit sufficient recirculation performance against pigment sedimentation and drying of ink, and also enables stable jetting.

    In this report, we introduce two recirculating paths structure for the excellent recirculation performance of the KM1024aLHG-RC, and the evaluation results of recirculation performance and jetting performances.

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Imaging Today
  • Koji HIRAKURA
    2021 Volume 60 Issue 3 Pages 238-246
    Published: June 10, 2021
    Released: June 10, 2021
    JOURNALS RESTRICTED ACCESS

    As is well known to ISJ-members, the demand for paper prints has been declining due to the digitization of various business processes in recent years, and seems to be accelerating due to the pandemic of COVID-19.

    FPDs (flat panel displays) used in advanced mobile devices have sufficient color gamut and resolution comparable to paper prints. If we limit the relationship between screen size and mass to some extent, in combination with the processing speed of the CPU (central processing unit) and GPU (graphics processing unit), it is sufficient as a substitute for paper, and it became a useful attractive edge device.

    With hard-copy demand declining, what kind of basic stance should the copier/printer industry take to work on DX (digital transformation) to achieve good results? It is necessary to properly evaluate the huge digital platformers who are totalitarian and swallow everything, and we should consider them as a group of strategic threats.

    It is important to create new business models together with customers who have built good relationships over the years, and to deepen relationships as partners.

    For that purpose, the roles of human resources who have conceptual power, draw a clear vision and lead the organization by themselves, and engineers who put business value into the actual ICT (information and communication technology) systems will be extremely important.

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  • Atsuko SAITO, Ritsuko KAWACHI
    2021 Volume 60 Issue 3 Pages 247-254
    Published: June 10, 2021
    Released: June 10, 2021
    JOURNALS RESTRICTED ACCESS

    Our way of working has been drastically changed by the normalization of telecommuting due to the new coronavirus. It has had a major impact on the lives of individuals as well as companies.

    While workers were restricted from coming to the office, companies worked on restructuring their offices in their business processes, such as digitization of communication and business processes, and renewal of offices with infection prevention measures.

    In this paper, we will discuss how working styles will change in the future in response to the major external environmental changes caused by the new coronavirus, based on several case studies and surveys. The paper will also look at the role of the office and how it should respond to the With/After corona work style. Although the pandemic was predicted to be a risk for the 21st century, We would like to discuss the rapidly advancing digitalization and the nature of work styles, and redefine the office based on the premise of work styles in a knowledge-based society.

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  • Koichi YOKOYAMA
    2021 Volume 60 Issue 3 Pages 255-262
    Published: June 10, 2021
    Released: June 10, 2021
    JOURNALS RESTRICTED ACCESS

    The new coronavirus infection has spread worldwide and “Social Distance” being obligatory all over the world, in Japan, remotework/telework became common in new work styles. We are forced to change our traditional business custom with “paper” and “hanko (seals) ” to paperless and digitalized one. Internal approvements, applications and external business-related documents are going to be digitalized. The key to “paperless” and “de-hanko” is to “meet the requirements of laws and regulations”, “digitalized method of internal control”, and “identity verification (of mutual trading companies) ”. In this review, I will explain the outline of the main laws requirements, guidelines and the electronic hanko (electronic authentication).

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  • Yoichi MAKINO
    2021 Volume 60 Issue 3 Pages 263-273
    Published: June 10, 2021
    Released: June 10, 2021
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    Explaining the teleworking situation of society and companies polarized in Japan from the data transmitted from various parts of Japan about the teleworking efforts in peacetime in Japan, the teleworking situation during the state of emergency and after the cancellation from December 2020 to do. Then, Konica Minolta Japan, which has been actively engaged in telework since the before corona era, describes the purpose and execution system of telework implementation, the concrete contents at the time of full-scale operation from the initial state of introduction, and the problems that occurred. In addition, we will explain the practical contents of teleworking in with corona in response to the new coronavirus infection, including the awareness of the employees involved and the results of a survey on work productivity in a teleworking environment. In addition, we will explain the trials of new work styles for the new normal era and the efforts of work styles in the face of diverse environments.

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  • Yasuo MIYAMOTO
    2021 Volume 60 Issue 3 Pages 274-280
    Published: June 10, 2021
    Released: June 10, 2021
    JOURNALS RESTRICTED ACCESS

    In recent years, the size of the printing market has been decreasing drastically due to the decrease of paper media by the expansion of online media. This paper discusses the commercial printing field in the new era, also known as the new normal, and the way of thinking about it as a business, based on the current issues.

    There have been remarkable visible technological developments, such as the spread of digital printing technology and the development of smart factories. However, in order for the printing business to maintain its position in the future, it is essentially required to break away from its current position as a manufacturing industry and an equipment industry, and to shift its business to the viewpoint of customers. The most important point is to clarify the needs of customers, the purpose and role that printed materials should play, and the effects that printed materials can achieve, and to show the essential value to customers.

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  • Katsuyuki KOZAKE
    2021 Volume 60 Issue 3 Pages 281-292
    Published: June 10, 2021
    Released: June 10, 2021
    JOURNALS RESTRICTED ACCESS

    The coronavirus has dramatically changed our lifestyle. Purchasing behavior and eating habits have also changed and it caused the importance of containers for storage and transportation is increasing. And the environmental impact of packaging containersis is also attracted a lot of attention, such as the problem of marine plastics. Kao has developed the water-based inkjet ink LUNAJET® based on the ESG strategy “the Kirei Lifestyle Plan”, and is proposing the marketing value of digital printing in flexible film packagings and the value of reducing the environmental load of water-based inks. In this report, the environmental performance of LUNAJET® was compaired with conventional solvent-based gravure printing using LIME3 (Life cycle impact assessment method based on endpoint modeling 3). It is essential to involve all related industries and consumers in order to solve the environmental problems and realize sustainable recycling for packaging containers in the post-corona era.

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  • Keisuke HASHIMOTO, Michael MCCREARY
    2021 Volume 60 Issue 3 Pages 293-302
    Published: June 10, 2021
    Released: June 10, 2021
    JOURNALS RESTRICTED ACCESS

    Electrophoretic displays (EPDs) have been used in e-Readers for more than a decade. Such products have been widely adopted by consumers because of the superior user experience enabled by EPDs, such as no-emmisive, less blue light, and low power consumption. Today, hospitals are also evaluating products with this technology due to the improved experience it brings to both patients and hospital staff. And electrophoretic display white board which improved communication under isolated environment which is caused by pandemic is also introduced.

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Imaging Highlight
  • Masaru KAWAKAMI, Hidemitsu FURUKAWA
    2021 Volume 60 Issue 3 Pages 303-307
    Published: June 10, 2021
    Released: June 10, 2021
    JOURNALS RESTRICTED ACCESS

    In recent years, food 3D printers have been attracting attention as one of the food technology. In particular, it is expected to be used in combination with the development of next-generation food technology and as a means of solving the food crisis. In this paper, we describe what kind of technology food 3D printers are and how they are classified according to the ingredients they use and how they shape 3D foods. We are developing 3D printing technology for nursing-care foods and here we introduce the development of technology that not only reproduces the shape of the food, but also provides greater value than conventional nursing-care foods by adjusting the hardness to suit the individual, enriching the texture, and expanding the flavor and aroma.

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Lectures in Science
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