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West Electric Co., Ltd.

USPTO Granted Patents = 145

Forward Citations = 1,714

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81 inventors (with patents filed for the assignee):

Hiroshi Iwata (59 out of 195 patents)

Tsunemi Yoshino (20 out of 21 patents)

Katsuji Ishikawa (20 out of 22 patents)

4. Shinji Hirata (14 out of 14 patents)

5. Tetsuo Yamaoka (12 out of 12 patents)

6. Akitoshi Morioka (11 out of 11 patents)

7. Katsumi Horinishi (10 out of 12 patents)

8. Toshitsugu Kashihara (10 out of 10 patents)

9. Kazuo Tanaka (8 out of 9 patents)

10. Hiroshi Makino (8 out of 8 patents)

11. Hajime Mitsui (6 out of 8 patents)

12. Wataru Hasegawa (5 out of 5 patents)

13. Yuji Maruyama (5 out of 5 patents)

14. Katsunori Kawabata (4 out of 10 patents)

15. Hisashi Ogura (4 out of 6 patents)

Core Competencies:

Discharge Lamp

Strobe Light

Cold Cathode Fluorescent Lamp

Electronic Flash Unit

Variable Emission Angle

Illuminating Apparatus

Zoom Lens Control

Distance Detecting Apparatus

Optical Reading

Film Winding System

Motor-Driven Film Winder

Automatic Focusing

145 patents: Sort by Forward Citations

1. 7276851 - Discharge lamp device and backlight having external electrode unit (2007-10-02),

2. 6810208 - Electric discharge tube, method of manufacturing the tube, stroboscopic device using the tube and camera (2004-10-26),

3. 6629764 - Illuminator and LCD device comprising the illuminator (2003-10-07),

4. 6531832 - Discharge lamp and electronic flash device using the same (2003-03-11),

5. 6301443 - Low profile strobe device with conductive elastic members (2001-10-09),

6. 6150770 - Flash apparatus (2000-11-21),

7. 6028398 - Cold cathode fluorescent lamp driving apparatus using a piezoelectric (2000-02-22),

8. 6011929 - Flash apparatus capable of varying emission angle (2000-01-04),

9. 5911085 - Variable emission angle strobe light and control method therefor (1999-06-08),

10. 5869936 - Strobe device (1999-02-09),

11. 5852751 - Strobe light and image recorder containing that strobe light (1998-12-22),

12. 5842047 - Strobe light and photographic camera incorporating the same (1998-11-24),

13. 5734934 - Emission angle variable flash apparatus (1998-03-31),

14. 5709578 - Process of making cold cathode fluorescent tube (1998-01-20),

15. 5672936 - Cold cathode fluorescent discharge tube (1997-09-30),

West Electric Co., Ltd. is a leading electrical engineering company specializing in the design, installation, and maintenance of electrical systems. With more than 20 years of experience, we have built a strong reputation for delivering high-quality and reliable electrical solutions to our clients. Our team of skilled engineers and technicians are committed to providing exceptional services that meet the needs of various industries, including residential, commercial, and industrial sectors. At West Electric, we prioritize safety, efficiency, and customer satisfaction in every project we undertake.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

145 Patents

#85 in Osaka

#854 in Japan

#5,476 in the World

West Electric Co., Ltd.

Forward Citations = 1,714

81 inventors:

Hiroshi Iwata (59 out of 195 patents)

Tsunemi Yoshino (20 out of 21 patents)

Katsuji Ishikawa (20 out of 22 patents)

4. Shinji Hirata (14 out of 14 patents)

5. Tetsuo Yamaoka (12 out of 12 patents)

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