Growing community of inventors

Tokyo, Japan

Akitoshi Oikawa

Average Co-Inventor Count = 1.35

ph-index = 16

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 = 1,035

Akitoshi OikawaKenji Tosaki (3 patents)Akitoshi OikawaAtsunori Himoto (2 patents)Akitoshi OikawaHisamichi Sugahara (2 patents)Akitoshi OikawaTakashi Abe (1 patent)Akitoshi OikawaHiroshi Ohta (1 patent)Akitoshi OikawaToshinori Date (1 patent)Akitoshi OikawaKatsumi Kato (1 patent)Akitoshi OikawaMasaki Kawabata (1 patent)Akitoshi OikawaYutaka Okumura (1 patent)Akitoshi OikawaShigemitsu Aoki (1 patent)Akitoshi OikawaKenichi Toma (1 patent)Akitoshi OikawaKunisaburou Uemura (1 patent)Akitoshi OikawaAtsushi Ichijou (1 patent)Akitoshi OikawaMasami Ishizaki (1 patent)Akitoshi OikawaAkitoshi Oikawa (25 patents)Kenji TosakiKenji Tosaki (18 patents)Atsunori HimotoAtsunori Himoto (10 patents)Hisamichi SugaharaHisamichi Sugahara (2 patents)Takashi AbeTakashi Abe (168 patents)Hiroshi OhtaHiroshi Ohta (76 patents)Toshinori DateToshinori Date (9 patents)Katsumi KatoKatsumi Kato (7 patents)Masaki KawabataMasaki Kawabata (6 patents)Yutaka OkumuraYutaka Okumura (5 patents)Shigemitsu AokiShigemitsu Aoki (1 patent)Kenichi TomaKenichi Toma (1 patent)Kunisaburou UemuraKunisaburou Uemura (1 patent)Atsushi IchijouAtsushi Ichijou (1 patent)Masami IshizakiMasami Ishizaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sega Enterprises, Ltd. (22 from 264 patents)

2. Kabushiki Kaisha Sega Enterprises (2 from 145 patents)

3. Kabushiki Kaisha Sega (1 from 92 patents)


25 patents:

1. D597150 - Vehicle for play use

2. 6517438 - Input device, game device, and method and recording medium for same

3. 6312335 - Input device, game device, and method and recording medium for same

4. D415145 - Controller for game machine

5. D414761 - Joystick

6. D414484 - Controller for game machine

7. D412940 - Video game machine

8. D410500 - Portable game machine

9. D409149 - Connector cord for video game controller

10. D405476 - Video game machine

11. D405079 - Controller for video game machine

12. D401974 - Controller for video game machine

13. D395314 - Modem for video game machine

14. D383801 - Infrared ray receiver for video game machine

15. D383800 - Video game machine

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as of
12/7/2025
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