Growing community of inventors

Yamaguchi, Japan

Keiki Kishikawa

Average Co-Inventor Count = 8.00

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 = 1

Keiki Kishikawa ↔ Terunori Fujita (1 patent)Keiki Kishikawa ↔ Masatoshi Nitabaru (1 patent)Keiki Kishikawa ↔ Hisaya Miki (1 patent)Keiki Kishikawa ↔ Michio Tanaka (1 patent)Keiki Kishikawa ↔ Masato Kawamura (1 patent)Keiki Kishikawa ↔ Hiroyoshi Tarumoto (1 patent)Keiki Kishikawa ↔ Koji Kawai (1 patent)Keiki KishikawaKeiki Kishikawa (1 patent)Terunori FujitaTerunori Fujita (56 patents)Masatoshi NitabaruMasatoshi Nitabaru (16 patents)Hisaya MikiHisaya Miki (9 patents)Michio TanakaMichio Tanaka (7 patents)Masato KawamuraMasato Kawamura (3 patents)Hiroyoshi TarumotoHiroyoshi Tarumoto (1 patent)Koji KawaiKoji Kawai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsui Petrochemical Industries, Ltd. (1 from 1,008 patents)


1 patent:

1. 5210065 - Color-forming recording material

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1/5/2026
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