Growing community of inventors

Fukuoka-ken, Japan

Hiroshi Nagakawa

Average Co-Inventor Count = 7.00

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 = 7

Hiroshi Nagakawa ↔ Masanobu Wano (1 patent)Hiroshi Nagakawa ↔ Takeshi Kaneda (1 patent)Hiroshi Nagakawa ↔ Shigeru Asoh (1 patent)Hiroshi Nagakawa ↔ Chihiro Sugiyama (1 patent)Hiroshi Nagakawa ↔ Mitsunori Koga (1 patent)Hiroshi Nagakawa ↔ Masaaki Ezawa (1 patent)Hiroshi NagakawaHiroshi Nagakawa (1 patent)Masanobu WanoMasanobu Wano (11 patents)Takeshi KanedaTakeshi Kaneda (4 patents)Shigeru AsohShigeru Asoh (1 patent)Chihiro SugiyamaChihiro Sugiyama (1 patent)Mitsunori KogaMitsunori Koga (1 patent)Masaaki EzawaMasaaki Ezawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toto Ltd. (1 from 1,192 patents)


1 patent:

1. 8337033 - Washing counter

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as of
12/20/2025
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