Growing community of inventors

Ohta-ku, Japan

Toshihiko Kawa

Average Co-Inventor Count = 1.76

ph-index = 5

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 = 105

Toshihiko KawaTomohiko Sasaki (5 patents)Toshihiko KawaSachiko Fukumaru (2 patents)Toshihiko KawaHitomi Mizutani (2 patents)Toshihiko KawaToshihiro Hamamura (1 patent)Toshihiko KawaTakeshi Matsushita (1 patent)Toshihiko KawaHiroshi Morohoshi (1 patent)Toshihiko KawaEiji Enami (1 patent)Toshihiko KawaHidenao Ubukata (1 patent)Toshihiko KawaToshihiko Kawa (12 patents)Tomohiko SasakiTomohiko Sasaki (33 patents)Sachiko FukumaruSachiko Fukumaru (12 patents)Hitomi MizutaniHitomi Mizutani (6 patents)Toshihiro HamamuraToshihiro Hamamura (50 patents)Takeshi MatsushitaTakeshi Matsushita (27 patents)Hiroshi MorohoshiHiroshi Morohoshi (19 patents)Eiji EnamiEiji Enami (9 patents)Hidenao UbukataHidenao Ubukata (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (12 from 28,544 patents)


12 patents:

1. D1082891 - Underwater case for digital camera

2. D1010707 - Digital camera

3. 11537287 - Electronic device, method, and non-transitory recording medium

4. D972615 - Camera

5. D966387 - Digital camera

6. D942714 - Activity sensor for animals

7. D911364 - Display screen with graphical user interface

8. D910699 - Display screen with graphical user interface

9. D904488 - Camera

10. D875161 - Camera

11. D836695 - Digital camera

12. D732594 - Camera

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as of
12/8/2025
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