Growing community of inventors

Hachioji, Japan

Chihiro Toyama

Average Co-Inventor Count = 2.23

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

Chihiro ToyamaKazutaka Kasuga (3 patents)Chihiro ToyamaRyutaro Hayashi (2 patents)Chihiro ToyamaYoshihiro Kawamura (1 patent)Chihiro ToyamaHirokazu Hasegawa (1 patent)Chihiro ToyamaKazuto Yamamoto (1 patent)Chihiro ToyamaToshihiko Yoshida (1 patent)Chihiro ToyamaKazuma Kawahara (1 patent)Chihiro ToyamaEiichi Harada (1 patent)Chihiro ToyamaMiyuki Urano (1 patent)Chihiro ToyamaTetsuya Abe (1 patent)Chihiro ToyamaHideo Hamanaka (1 patent)Chihiro ToyamaYuichiro Iegaki (1 patent)Chihiro ToyamaFumio Shimazu (1 patent)Chihiro ToyamaHideki Ando (1 patent)Chihiro ToyamaHiroaki Ootsubo (1 patent)Chihiro ToyamaChihiro Toyama (8 patents)Kazutaka KasugaKazutaka Kasuga (9 patents)Ryutaro HayashiRyutaro Hayashi (12 patents)Yoshihiro KawamuraYoshihiro Kawamura (75 patents)Hirokazu HasegawaHirokazu Hasegawa (32 patents)Kazuto YamamotoKazuto Yamamoto (25 patents)Toshihiko YoshidaToshihiko Yoshida (9 patents)Kazuma KawaharaKazuma Kawahara (9 patents)Eiichi HaradaEiichi Harada (8 patents)Miyuki UranoMiyuki Urano (6 patents)Tetsuya AbeTetsuya Abe (5 patents)Hideo HamanakaHideo Hamanaka (4 patents)Yuichiro IegakiYuichiro Iegaki (4 patents)Fumio ShimazuFumio Shimazu (2 patents)Hideki AndoHideki Ando (1 patent)Hiroaki OotsuboHiroaki Ootsubo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Casio Computer Co., Ltd. (8 from 5,220 patents)

2. Casio Electronics Manufacturing Co., Ltd. (1 from 75 patents)


8 patents:

1. 12257705 - Robot, robot control method, and non-transitory computer-readable recording medium

2. 11830381 - Information processing apparatus, information processing method, and recording medium

3. 10468005 - Detection device for detecting operation position

4. 10297239 - Electronic wind instrument capable of performing a tonguing process

5. 10163021 - Information processor, content determining method, and computer-readable storing medium

6. 9984669 - Reed for electronic musical instrument, and electronic musical instrument

7. 9640221 - Information output device and computer readable medium

8. 8666264 - Image forming apparatus and toner refilling method therefor

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12/14/2025
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