Growing community of inventors

Yamanashi-ken, Japan

Hiroyuki Hirokawa

Average Co-Inventor Count = 2.43

ph-index = 2

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 = 7

Hiroyuki HirokawaShinnosuke Enomoto (2 patents)Hiroyuki HirokawaJunya Ozawa (2 patents)Hiroyuki HirokawaSatoshi Tanaka (1 patent)Hiroyuki HirokawaMasaaki Shinohara (1 patent)Hiroyuki HirokawaMasataka Hamada (1 patent)Hiroyuki HirokawaYuichi Kagami (1 patent)Hiroyuki HirokawaToru Ochiai (1 patent)Hiroyuki HirokawaFumihide Sakamoto (1 patent)Hiroyuki HirokawaFumimasa Amemiya (1 patent)Hiroyuki HirokawaKoji Ogino (1 patent)Hiroyuki HirokawaNaoto Takeshita (1 patent)Hiroyuki HirokawaMamoru Dohi (1 patent)Hiroyuki HirokawaSatoshi Tanaka (0 patent)Hiroyuki HirokawaKoji Ogino (0 patent)Hiroyuki HirokawaHiroyuki Hirokawa (4 patents)Shinnosuke EnomotoShinnosuke Enomoto (14 patents)Junya OzawaJunya Ozawa (14 patents)Satoshi TanakaSatoshi Tanaka (88 patents)Masaaki ShinoharaMasaaki Shinohara (38 patents)Masataka HamadaMasataka Hamada (16 patents)Yuichi KagamiYuichi Kagami (8 patents)Toru OchiaiToru Ochiai (7 patents)Fumihide SakamotoFumihide Sakamoto (4 patents)Fumimasa AmemiyaFumimasa Amemiya (4 patents)Koji OginoKoji Ogino (3 patents)Naoto TakeshitaNaoto Takeshita (3 patents)Mamoru DohiMamoru Dohi (1 patent)Satoshi TanakaSatoshi Tanaka (0 patent)Koji OginoKoji Ogino (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nisca Corporation (3 from 489 patents)

2. Canon Finetech Nisca Inc. (1 from 244 patents)


4 patents:

1. 9914613 - Mechanism for discharging sheets in apparatus for processing sheets and apparatus for reading images provided with the mechanism

2. 9151470 - Illumination device

3. 8983359 - Image-capturing apparatus and image-capturing system

4. 8482814 - Traveling unit driving apparatus and image reading apparatus provided with the driving apparatus

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1/4/2026
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