Growing community of inventors

Hachioji, Japan

Koichi Hatta

Average Co-Inventor Count = 9.94

ph-index = 3

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 = 39

Koichi HattaNoritaka Nakayama (3 patents)Koichi HattaHiroshi Kashiwagi (3 patents)Koichi HattaKatsunori Katoh (3 patents)Koichi HattaSatoshi Kawakatsu (3 patents)Koichi HattaKenji Kumashiro (3 patents)Koichi HattaKaoru Shinozaki (3 patents)Koichi HattaToshifumi Iijima (2 patents)Koichi HattaFumio Ishii (1 patent)Koichi HattaTakashi Uchida (1 patent)Koichi HattaHajime Wada (1 patent)Koichi HattaYuji Hotta (1 patent)Koichi HattaSatoshi Matsunaga (1 patent)Koichi HattaYasuko Matsubara (1 patent)Koichi HattaToshijumi Iijima (1 patent)Koichi HattaHiroko Ohya (1 patent)Koichi HattaKoichi Hatta (3 patents)Noritaka NakayamaNoritaka Nakayama (31 patents)Hiroshi KashiwagiHiroshi Kashiwagi (25 patents)Katsunori KatohKatsunori Katoh (19 patents)Satoshi KawakatsuSatoshi Kawakatsu (18 patents)Kenji KumashiroKenji Kumashiro (17 patents)Kaoru ShinozakiKaoru Shinozaki (8 patents)Toshifumi IijimaToshifumi Iijima (31 patents)Fumio IshiiFumio Ishii (20 patents)Takashi UchidaTakashi Uchida (16 patents)Hajime WadaHajime Wada (10 patents)Yuji HottaYuji Hotta (8 patents)Satoshi MatsunagaSatoshi Matsunaga (2 patents)Yasuko MatsubaraYasuko Matsubara (2 patents)Toshijumi IijimaToshijumi Iijima (1 patent)Hiroko OhyaHiroko Ohya (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Konishiroku Photo Industry Co., Ltd. (3 from 1,252 patents)


3 patents:

1. 4840886 - Silver halide color photographic material containing a 1h-pyrazole

2. 4695533 - Silver halide photographic light-sensitive material

3. 4665015 - Silver halide color photographic material containing a magenta coupler

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