Growing community of inventors

Osaka, Japan

Hiroshi Nakagawa

Average Co-Inventor Count = 2.26

ph-index = 9

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 = 613

Hiroshi NakagawaKeiji Mine (23 patents)Hiroshi NakagawaTakeshi Isoda (14 patents)Hiroshi NakagawaYoshiaki Ohbayashi (8 patents)Hiroshi NakagawaKosuke Sasada (4 patents)Hiroshi NakagawaNaoya Takehara (4 patents)Hiroshi NakagawaYasuhiro Shigeno (2 patents)Hiroshi NakagawaAkifumi Seto (1 patent)Hiroshi NakagawaShigemi Sekiguchi (1 patent)Hiroshi NakagawaErwin Marti (1 patent)Hiroshi NakagawaTakeo Shimizu (1 patent)Hiroshi NakagawaKoji Shinoda (1 patent)Hiroshi NakagawaKenji Takai (1 patent)Hiroshi NakagawaIsamu Utsumi (1 patent)Hiroshi NakagawaIsao Koda (1 patent)Hiroshi NakagawaGustave Huber (1 patent)Hiroshi NakagawaAlexandre Gumma (1 patent)Hiroshi NakagawaOskar Heiber (1 patent)Hiroshi NakagawaTatsuhiko Miyata (1 patent)Hiroshi NakagawaKousuke Sasada (1 patent)Hiroshi NakagawaKoichi Akimoto (1 patent)Hiroshi NakagawaHiroshi Nakagawa (39 patents)Keiji MineKeiji Mine (35 patents)Takeshi IsodaTakeshi Isoda (25 patents)Yoshiaki OhbayashiYoshiaki Ohbayashi (31 patents)Kosuke SasadaKosuke Sasada (22 patents)Naoya TakeharaNaoya Takehara (9 patents)Yasuhiro ShigenoYasuhiro Shigeno (5 patents)Akifumi SetoAkifumi Seto (11 patents)Shigemi SekiguchiShigemi Sekiguchi (11 patents)Erwin MartiErwin Marti (10 patents)Takeo ShimizuTakeo Shimizu (10 patents)Koji ShinodaKoji Shinoda (10 patents)Kenji TakaiKenji Takai (9 patents)Isamu UtsumiIsamu Utsumi (6 patents)Isao KodaIsao Koda (4 patents)Gustave HuberGustave Huber (1 patent)Alexandre GummaAlexandre Gumma (1 patent)Oskar HeiberOskar Heiber (1 patent)Tatsuhiko MiyataTatsuhiko Miyata (1 patent)Kousuke SasadaKousuke Sasada (1 patent)Koichi AkimotoKoichi Akimoto (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hosiden Corporation (32 from 776 patents)

2. Kyocera Document Solutions Inc. (6 from 6,074 patents)

3. Zyma Sa (1 from 17 patents)


39 patents:

1. 11949810 - Image forming apparatus that calls terminal device on other end indicated by predetermined destination number, when prespecified gesture is detected

2. 10162497 - Display operating device and image forming apparatus

3. 9740394 - Display/input device with swipe functionality, image forming apparatus therewith, and method of controlling a display/input device with swipe functionality

4. 9699333 - Image forming system including a portable terminal device

5. 9274725 - Image forming system and setting screen manipulating method for allowing terminal apparatus to manipulate setting screen

6. 9232095 - Display input device, image forming apparatus, and control method of display input device

7. 8481855 - Flexible wiring substrate

8. 8052336 - Optical module

9. 7933477 - Optical transmission hinge apparatus

10. 7686522 - Optical coupling component for use in an optical communication connector and an optical connector using such optical coupling component

11. 7628546 - Optical connector

12. 7621676 - Optical connector

13. D589447 - Photoelectric-transfer connector for optical fiber

14. D584688 - Photoelectric-transfer connector for optical fiber

15. 7371015 - Connector for two-way optical communications

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as of
12/20/2025
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