Growing community of inventors

Honjo, Japan

Takeyoshi Usui

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 = 16

Takeyoshi Usui ↔ Takahiro Naka (1 patent)Takeyoshi Usui ↔ Hiroshi Kitagawa (1 patent)Takeyoshi Usui ↔ Masayuki Tamura (1 patent)Takeyoshi Usui ↔ Junichi Araki (1 patent)Takeyoshi Usui ↔ Nobuhiro Saito (1 patent)Takeyoshi Usui ↔ Shigeru Sato (1 patent)Takeyoshi UsuiTakeyoshi Usui (1 patent)Takahiro NakaTakahiro Naka (72 patents)Hiroshi KitagawaHiroshi Kitagawa (51 patents)Masayuki TamuraMasayuki Tamura (11 patents)Junichi ArakiJunichi Araki (8 patents)Nobuhiro SaitoNobuhiro Saito (3 patents)Shigeru SatoShigeru Sato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Giken Kogyo Kabushiki Kaisha (1 from 10,092 patents)

2. Nippon Zeon Company, Ltd. (1 from 598 patents)

3. Yamashita Rubber Co., Ltd. (1 from 25 patents)


1 patent:

1. 5391627 - Heat-resistant, oil-resistant rubber composition

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12/29/2025
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