Growing community of inventors

Kyoto, Japan

Masanari Matsumura

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 = 1

Masanari Matsumura ↔ Kazuhiko Ishihara (1 patent)Masanari Matsumura ↔ Toshiaki Doyama (1 patent)Masanari Matsumura ↔ Etsuo Ito (1 patent)Masanari MatsumuraMasanari Matsumura (1 patent)Kazuhiko IshiharaKazuhiko Ishihara (3 patents)Toshiaki DoyamaToshiaki Doyama (3 patents)Etsuo ItoEtsuo Ito (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dai-ichi Kogyo Seiyaku Co., Ltd. (1 from 252 patents)


1 patent:

1. 4933412 - Method of imparting flame resistance to polyester fiber substrates

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12/19/2025
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