Growing community of inventors

Tokyo, Japan

Hiroshi Murayama

Average Co-Inventor Count = 3.71

ph-index = 4

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 = 136

Hiroshi MurayamaShigeo Tanaka (2 patents)Hiroshi MurayamaYasuji Takashima (2 patents)Hiroshi MurayamaIchirou Kawamata (2 patents)Hiroshi MurayamaHiroshi Yamaguchi (1 patent)Hiroshi MurayamaMakoto Ohara (1 patent)Hiroshi MurayamaKenji Tsunoda (1 patent)Hiroshi MurayamaTakashi Shintani (1 patent)Hiroshi MurayamaKimihide Shimano (1 patent)Hiroshi MurayamaToshihiko Kato (1 patent)Hiroshi MurayamaNobuaki Ishida (1 patent)Hiroshi MurayamaHaruo Shimamura (1 patent)Hiroshi MurayamaYoshifumi Ishimura (1 patent)Hiroshi MurayamaHiroshi Minamide (1 patent)Hiroshi MurayamaKatsura Seki (1 patent)Hiroshi MurayamaRyohei Kaneko (1 patent)Hiroshi MurayamaHiroshi Murayama (6 patents)Shigeo TanakaShigeo Tanaka (89 patents)Yasuji TakashimaYasuji Takashima (3 patents)Ichirou KawamataIchirou Kawamata (2 patents)Hiroshi YamaguchiHiroshi Yamaguchi (66 patents)Makoto OharaMakoto Ohara (8 patents)Kenji TsunodaKenji Tsunoda (7 patents)Takashi ShintaniTakashi Shintani (6 patents)Kimihide ShimanoKimihide Shimano (6 patents)Toshihiko KatoToshihiko Kato (5 patents)Nobuaki IshidaNobuaki Ishida (4 patents)Haruo ShimamuraHaruo Shimamura (4 patents)Yoshifumi IshimuraYoshifumi Ishimura (2 patents)Hiroshi MinamideHiroshi Minamide (1 patent)Katsura SekiKatsura Seki (1 patent)Ryohei KanekoRyohei Kaneko (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Taisho Pharmaceutical Co., Ltd. (3 from 314 patents)

2. Sega Enterprises, Ltd. (2 from 264 patents)

3. Toyo Soda Manufacturing Co., Ltd. (1 from 285 patents)

4. Kabushiki Kaisha Sega Enterprises (1 from 145 patents)


6 patents:

1. 5963199 - Image processing systems and data input devices therefor

2. 4940234 - Video game machine

3. 4794106 - Cream

4. 4794107 - Ointment

5. 4627981 - Attractant-ingestion stimulant preparations for Periplaneta americana L

6. 4533525 - Method for inhibiting corrosion of metal

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/7/2025
Loading…