Growing community of inventors

Nagaokakyo, Japan

Hirohisa Kitagawa

Average Co-Inventor Count = 6.00

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 = 12

Hirohisa KitagawaToshihiko Sugano (1 patent)Hirohisa KitagawaTaku Kato (1 patent)Hirohisa KitagawaSugio Nishimura (1 patent)Hirohisa KitagawaKazuya Okano (1 patent)Hirohisa KitagawaYutaka Ohtani (1 patent)Hirohisa KitagawaHirohisa Kitagawa (1 patent)Toshihiko SuganoToshihiko Sugano (41 patents)Taku KatoTaku Kato (8 patents)Sugio NishimuraSugio Nishimura (6 patents)Kazuya OkanoKazuya Okano (1 patent)Yutaka OhtaniYutaka Ohtani (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Chemical Corporation (1 from 2,352 patents)


1 patent:

1. 6255515 - Processes for producing silicon- or germanium-containing organic compound, transition metal complex, catalyst for polymerization of &agr;-olefin and &agr;-olefin polymer

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as of
1/8/2026
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