Growing community of inventors

Takatsuki, Japan

Yasushi Obata

Average Co-Inventor Count = 1.54

ph-index = 6

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 106

Yasushi ObataHitoshi Miyamoto (2 patents)Yasushi ObataKazuto Yoshii (2 patents)Yasushi ObataHiroyuki Kinemura (1 patent)Yasushi ObataKazuhisa Tashima (1 patent)Yasushi ObataEiji Wakabayashi (1 patent)Yasushi ObataToshihiro Waguri (1 patent)Yasushi ObataShinya Uchida (1 patent)Yasushi ObataHiroyoshi Sato (1 patent)Yasushi ObataYasushi Obata (9 patents)Hitoshi MiyamotoHitoshi Miyamoto (17 patents)Kazuto YoshiiKazuto Yoshii (11 patents)Hiroyuki KinemuraHiroyuki Kinemura (15 patents)Kazuhisa TashimaKazuhisa Tashima (7 patents)Eiji WakabayashiEiji Wakabayashi (4 patents)Toshihiro WaguriToshihiro Waguri (3 patents)Shinya UchidaShinya Uchida (2 patents)Hiroyoshi SatoHiroyoshi Sato (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (7 from 8,780 patents)

2. Olympus Imaging Corporation (1 from 727 patents)

3. Sanyo Technosound Co., Ltd. (1 from 14 patents)


9 patents:

1. 8315397 - Microphone device and portable recorder comprising same

2. D640720 - Digital camera

3. D634764 - Digital video camera

4. D609689 - Digital voice recorder

5. D609688 - Digital voice recorder

6. 7574273 - Audio recording device

7. D592635 - Digital voice recorder

8. D583797 - Digital voice recorder

9. D487259 - Digital voice recorder

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as of
12/17/2025
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