Growing community of inventors

Osaka, Japan

Hirofumi Hirota

Average Co-Inventor Count = 5.00

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 = 5

Hirofumi HirotaToshikazu Shibata (1 patent)Hirofumi HirotaYoitsu Sekiguchi (1 patent)Hirofumi HirotaTsuyoshi Uozumi (1 patent)Hirofumi HirotaKen-ichi Hirotsu (1 patent)Hirofumi HirotaHirofumi Hirota (1 patent)Toshikazu ShibataToshikazu Shibata (8 patents)Yoitsu SekiguchiYoitsu Sekiguchi (5 patents)Tsuyoshi UozumiTsuyoshi Uozumi (1 patent)Ken-ichi HirotsuKen-ichi Hirotsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Electric Industries, Limited (1 from 10,282 patents)


1 patent:

1. 7196267 - Electrically insulating resin composition and a DC electric wire or cable both coated therewith

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1/13/2026
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