Growing community of inventors

Yamanashi, Japan

Hiroshi Kawakubo

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 = 9

Hiroshi Kawakubo ↔ Mitsuji Nunokawa (1 patent)Hiroshi Kawakubo ↔ Masanori Ishii (1 patent)Hiroshi Kawakubo ↔ Masaomi Emori (1 patent)Hiroshi Kawakubo ↔ Kenichi Hiratsuka (1 patent)Hiroshi KawakuboHiroshi Kawakubo (1 patent)Mitsuji NunokawaMitsuji Nunokawa (9 patents)Masanori IshiiMasanori Ishii (4 patents)Masaomi EmoriMasaomi Emori (3 patents)Kenichi HiratsukaKenichi Hiratsuka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (1 from 39,237 patents)


1 patent:

1. 6214639 - Method of producing a semiconductor device

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12/18/2025
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