Growing community of inventors

Tokyo, Japan

Takehiro Yamamoto

Average Co-Inventor Count = 9.00

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 = 9

Takehiro Yamamoto ↔ Yasuo Miyoshi (1 patent)Takehiro Yamamoto ↔ Masatsugu Mizuguchi (1 patent)Takehiro Yamamoto ↔ Masayuki Ohmori (1 patent)Takehiro Yamamoto ↔ Akihiro Nakajima (1 patent)Takehiro Yamamoto ↔ Takeshi Yago (1 patent)Takehiro Yamamoto ↔ Shin-Ichi Sawamura (1 patent)Takehiro Yamamoto ↔ Shihoko Maeda (1 patent)Takehiro Yamamoto ↔ Yoshiko Kawada (1 patent)Takehiro YamamotoTakehiro Yamamoto (1 patent)Yasuo MiyoshiYasuo Miyoshi (30 patents)Masatsugu MizuguchiMasatsugu Mizuguchi (11 patents)Masayuki OhmoriMasayuki Ohmori (5 patents)Akihiro NakajimaAkihiro Nakajima (4 patents)Takeshi YagoTakeshi Yago (1 patent)Shin-Ichi SawamuraShin-Ichi Sawamura (1 patent)Shihoko MaedaShihoko Maeda (1 patent)Yoshiko KawadaYoshiko Kawada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nkk Corporation (1 from 614 patents)


1 patent:

1. 5650428 - Arylsulfonamide derivative and pharmaceutical compositions and use

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as of
12/19/2025
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