The Journal of The Institute of Electrical Engineers of Japan

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Volume 145, Issue 9

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Essay

My Hope for IEEJ: A Mechanical Engineer's Perspective on the Power of Electricity

Kazuhiko ISHIMURA

2025Volume 145Issue 9 Pages 503
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.503

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Pictures & Words

Perovskite Solar Cells: A Key to Expanding Renewable Energy in Japan-Development Progress and Pilot Demonstrations

Shinya YOSHIZAWA, Kosuke KEMMOTSU, Taiji SATO, Yudai YAO

2025Volume 145Issue 9 Pages 504-507
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.504

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Future City Created by SMART POLE: Expo 2025 Osaka, Kansai, Japan

Noboru NIGUCHI, Nozomu TAKEMURA, Sota TSUJIMOTO, Yuta TOYODA

2025Volume 145Issue 9 Pages 508-511
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.508

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SPECIAL ISSUE on Progress in Motor Efficiency Design with Variable Flux Technology

Variable Flux Technology Expands the Frontiers of Motor Efficiency: Overview

Yuki HIDAKA, Takashi ABE

2025Volume 145Issue 9 Pages 514
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.514

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Variable Magnetomotive Force IPM Motor and Variable Leakage Flux IPM Motor

Takashi KATO

2025Volume 145Issue 9 Pages 515-518
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.515

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High Torque Density Wound Field Motor with Field Unit Structure

Yuki HIDAKA

2025Volume 145Issue 9 Pages 519-521
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.519

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Adjustable-Field Permanent Magnet Synchronous Motor with Rotary Transformer Using Zero-Sequence Current and Armature Coil End

Kiyohiro IWAMA, Toshihiko NOGUCHI

2025Volume 145Issue 9 Pages 522-525
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.522

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A Variable Flux Technique on Consequent Pole Motor Using Field Winding

Hiroshi MITSUDA, Tadashi FUKAMI

2025Volume 145Issue 9 Pages 526-529
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.526

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Characteristics of Wound Field Flux-Switching Motors with Segmental Rotors

Hiroki GOTO, Yudai KOISHI

2025Volume 145Issue 9 Pages 530-533
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.530

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Variable Magnetic Flux Linear Synchronous Motor with Half-Wave-Rectified Self-Excitation

Tadashi HIRAYAMA

2025Volume 145Issue 9 Pages 534-537
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.534

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Technical Review

Opportunities and Prospects for Industrial Applications of Energy Harvesting Technologies

Koki YAMAMOTO

2025Volume 145Issue 9 Pages 538-541
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.538

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Technical Old & New

Sensing Technology in the Medical Field

Osamu MARUYAMA

2025Volume 145Issue 9 Pages 542-545
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.542

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Student Page

Japan Is Also a Resource-Rich Country!: The Difficulty of Extracting Resources

Tomoki SHINTA, Hiroto SHIOKAWA, Kenta ICHIKAWA

2025Volume 145Issue 9 Pages 546-549
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.546

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2025Volume 145Issue 9 Pages 550
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.550

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2025Volume 145Issue 9 Pages 551
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.551

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2025Volume 145Issue 9 Pages 552-555
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.552

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2025Volume 145Issue 9 Pages 556-559
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.556

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2025Volume 145Issue 9 Pages 560-561
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.560

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2025Volume 145Issue 9 Pages 562-563
Published: September 01, 2025
Released on J-STAGE: September 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.562

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