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Yamagata, Japan

Tohoku Pioneer Electronic Corporation

USPTO Granted Patents = 27

Forward Citations = 588

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43 inventors (with patents filed for the assignee):

Kunio Mitobe (4 out of 16 patents)

Masatoshi Sato (4 out of 15 patents)

Takashi Ujihara (4 out of 8 patents)

4. Koji Takayama (2 out of 12 patents)

5. Masanori Ito (2 out of 9 patents)

6. Shinichi Hayasaka (2 out of 5 patents)

7. Satoshi Miyaguchi (2 out of 25 patents)

8. Isamu Ohshita (2 out of 16 patents)

9. Osamu Takahashi (2 out of 8 patents)

10. Fumio Murayama (2 out of 14 patents)

11. Michihiro Sato (2 out of 5 patents)

12. Tetsuro Endo (2 out of 4 patents)

13. Kiichiro Shinokura (2 out of 5 patents)

14. Hiroyuki Kobayashi (2 out of 38 patents)

15. Satoshi Hachiya (1 out of 21 patents)

27 patents: Sort by Forward Citations

1. 7801324 - Speaker apparatus (2010-09-21),

2. 7706560 - Speaker apparatus (2010-04-27),

3. 7704428 - Method for manufacturing diaphragm for use in electroacoustic transducer (2010-04-27),

4. 7577270 - Dome-shaped diaphragm and speaker (2009-08-18),

5. 6948994 - Masks for forming strengthened electrodes of a light emission display panel (2005-09-27),

6. 6921309 - Method for manufacturing a light emission display panel (2005-07-26),

7. 6154556 - Dome speaker (2000-11-28),

8. 6137220 - Organic electroluminescent display with protective film and trapezoidal (2000-10-24),

9. 6104137 - Organic electroluminescent display device (2000-08-15),

10. 6061041 - Apparatus for driving electroluminescence device and method of driving (2000-05-09),

11. 5999633 - Speaker damper (1999-12-07),

12. 5892185 - Speaker unit and a method for manufacturing the same (1999-04-06),

13. 5882761 - Organic EL element (1999-03-16),

14. 5822444 - Loudspeaker (1998-10-13),

15. 5814935 - Organic electroluminescence device (1998-09-29),

Tohoku Pioneer Electronic Corporation is a leading provider of electronic products and solutions in Japan. With over 50 years of experience in the industry, the company is known for its innovative approach to product development and dedication to quality. Their wide range of products includes consumer electronics, car navigation systems, and industrial components. Tohoku Pioneer Electronic Corporation is committed to providing cutting-edge technology that enhances the lives of customers around the world.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

27 Patents

#4 in Yamagata

#2,406 in Japan

#23,254 in the World

Yamagata, Japan

Tohoku Pioneer Electronic Corporation

Forward Citations = 588

43 inventors:

Kunio Mitobe (4 out of 16 patents)

Masatoshi Sato (4 out of 15 patents)

Takashi Ujihara (4 out of 8 patents)

4. Koji Takayama (2 out of 12 patents)

5. Masanori Ito (2 out of 9 patents)

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