Growing community of inventors

Ibaraki-ken, Japan

Takao Usami

Average Co-Inventor Count = 11.00

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 = 21

Takao Usami ↔ Toshihiko Sugano (1 patent)Takao Usami ↔ Yasuo Maruyama (1 patent)Takao Usami ↔ Toru Suzuki (1 patent)Takao Usami ↔ Takao Tayano (1 patent)Takao Usami ↔ Tsuyoshi Ogasawara (1 patent)Takao Usami ↔ Osamu Shibata (1 patent)Takao Usami ↔ Masao Sakaizawa (1 patent)Takao Usami ↔ Yu Hayakawa (1 patent)Takao Usami ↔ Yuuji Fujita (1 patent)Takao Usami ↔ Kimiho Kosegaki (1 patent)Takao UsamiTakao Usami (1 patent)Toshihiko SuganoToshihiko Sugano (41 patents)Yasuo MaruyamaYasuo Maruyama (23 patents)Toru SuzukiToru Suzuki (18 patents)Takao TayanoTakao Tayano (15 patents)Tsuyoshi OgasawaraTsuyoshi Ogasawara (1 patent)Osamu ShibataOsamu Shibata (1 patent)Masao SakaizawaMasao Sakaizawa (1 patent)Yu HayakawaYu Hayakawa (1 patent)Yuuji FujitaYuuji Fujita (1 patent)Kimiho KosegakiKimiho Kosegaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Polychem Corporation (1 from 39 patents)


1 patent:

1. 6825280 - Propylene block copolymer and propylene resin composition

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12/9/2025
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