Growing community of inventors

Toyama, Japan

Keiji Hirota

Average Co-Inventor Count = 8.00

ph-index = 1

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 = 14

Keiji Hirota ↔ Hideaki Habara (1 patent)Keiji Hirota ↔ Teruyuki Yamada (1 patent)Keiji Hirota ↔ Katsuhiko Shinada (1 patent)Keiji Hirota ↔ Yoshihiko Hosako (1 patent)Keiji Hirota ↔ Shigeki Ogawa (1 patent)Keiji Hirota ↔ Sadatoshi Nagamine (1 patent)Keiji Hirota ↔ Takashi Kozakura (1 patent)Keiji HirotaKeiji Hirota (1 patent)Hideaki HabaraHideaki Habara (17 patents)Teruyuki YamadaTeruyuki Yamada (9 patents)Katsuhiko ShinadaKatsuhiko Shinada (7 patents)Yoshihiko HosakoYoshihiko Hosako (7 patents)Shigeki OgawaShigeki Ogawa (1 patent)Sadatoshi NagamineSadatoshi Nagamine (1 patent)Takashi KozakuraTakashi Kozakura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Rayon Company, Limited (1 from 1,357 patents)


1 patent:

1. 6248267 - Method for manufacturing fibril system fiber

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1/9/2026
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