Growing community of inventors

Hiratsuka, Japan

Takeshi Sekine

Average Co-Inventor Count = 7.50

ph-index = 2

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

Takeshi SekineTsutomu Ishii (2 patents)Takeshi SekineYoshinori Tanaka (2 patents)Takeshi SekineHideo Yamazaki (2 patents)Takeshi SekineHitoshi Shimotori (2 patents)Takeshi SekineYuji Yanase (2 patents)Takeshi SekineShuji Ozawa (2 patents)Takeshi SekineToshiaki Kuwatsuka (2 patents)Takeshi SekineYoshiro Kanemoto (2 patents)Takeshi SekineKeiko Shinada (2 patents)Takeshi SekineKiyoshi Arai (1 patent)Takeshi SekineMasanobu Arita (1 patent)Takeshi SekineNobuo Komoto (1 patent)Takeshi SekineSetsuko Hirose (1 patent)Takeshi SekineTakeshi Sekine (3 patents)Tsutomu IshiiTsutomu Ishii (95 patents)Yoshinori TanakaYoshinori Tanaka (87 patents)Hideo YamazakiHideo Yamazaki (15 patents)Hitoshi ShimotoriHitoshi Shimotori (12 patents)Yuji YanaseYuji Yanase (11 patents)Shuji OzawaShuji Ozawa (9 patents)Toshiaki KuwatsukaToshiaki Kuwatsuka (7 patents)Yoshiro KanemotoYoshiro Kanemoto (5 patents)Keiko ShinadaKeiko Shinada (2 patents)Kiyoshi AraiKiyoshi Arai (12 patents)Masanobu AritaMasanobu Arita (7 patents)Nobuo KomotoNobuo Komoto (3 patents)Setsuko HiroseSetsuko Hirose (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsui Toatsu Chemicals, Incorporated (3 from 1,379 patents)


3 patents:

1. 5104886 - Amide derivatives, processes for production thereof, and

2. 4980363 - Novel amide derivatives, processes for production thereof, and

3. 4822822 - Benzylamine derivatives, and use thereof

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12/11/2025
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