Growing community of inventors

Yokohama, Japan

Masatake Katagiri

Average Co-Inventor Count = 6.00

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 = 23

Masatake Katagiri ↔ Masashi Somezawa (1 patent)Masatake Katagiri ↔ Shin Konishi (1 patent)Masatake Katagiri ↔ Yoshinobu Ninomiya (1 patent)Masatake Katagiri ↔ Mitsuhiro Yoshida (1 patent)Masatake Katagiri ↔ Akira Hashimoto (1 patent)Masatake KatagiriMasatake Katagiri (1 patent)Masashi SomezawaMasashi Somezawa (18 patents)Shin KonishiShin Konishi (13 patents)Yoshinobu NinomiyaYoshinobu Ninomiya (10 patents)Mitsuhiro YoshidaMitsuhiro Yoshida (7 patents)Akira HashimotoAkira Hashimoto (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (1 from 58,130 patents)

2. Nippon Polyurethane Industry Co., Ltd. (1 from 35 patents)


1 patent:

1. 4400498 - Thermoplastic polyurethane resins

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as of
12/30/2025
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