Growing community of inventors

Katsuyama, Japan

Masayasu Katoh

Average Co-Inventor Count = 4.00

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 = 2

Masayasu KatohToru Makino (1 patent)Masayasu KatohToshio Gensho (1 patent)Masayasu KatohHumitaka Itoh (1 patent)Masayasu KatohMasayasu Katoh (1 patent)Toru MakinoToru Makino (4 patents)Toshio GenshoToshio Gensho (1 patent)Humitaka ItohHumitaka Itoh (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nicca Chemical Co., Ltd. (1 from 57 patents)


1 patent:

1. 5597786 - Lubricant for plastic working

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as of
1/13/2026
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