Growing community of inventors

Tokyo, Japan

Koichi Yumita

Average Co-Inventor Count = 14.01

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 = 10

Koichi YumitaYutaka Okumoto (1 patent)Koichi YumitaYoshinobu Ishikawa (1 patent)Koichi YumitaKaoru Watanabe (1 patent)Koichi YumitaYasuharu Ujiie (1 patent)Koichi YumitaTakatomo Izume (1 patent)Koichi YumitaHisao Suzuki (1 patent)Koichi YumitaMakoto Kasahara (1 patent)Koichi YumitaKenji Koshiba (1 patent)Koichi YumitaKazuhiro Tokitsu (1 patent)Koichi YumitaKiyoe Imai (1 patent)Koichi YumitaSusumu Simada (1 patent)Koichi YumitaTadashi Munaakata (1 patent)Koichi YumitaAkira Sawakata (1 patent)Koichi YumitaKoichi Yumita (1 patent)Yutaka OkumotoYutaka Okumoto (35 patents)Yoshinobu IshikawaYoshinobu Ishikawa (25 patents)Kaoru WatanabeKaoru Watanabe (16 patents)Yasuharu UjiieYasuharu Ujiie (16 patents)Takatomo IzumeTakatomo Izume (16 patents)Hisao SuzukiHisao Suzuki (14 patents)Makoto KasaharaMakoto Kasahara (3 patents)Kenji KoshibaKenji Koshiba (2 patents)Kazuhiro TokitsuKazuhiro Tokitsu (2 patents)Kiyoe ImaiKiyoe Imai (2 patents)Susumu SimadaSusumu Simada (1 patent)Tadashi MunaakataTadashi Munaakata (1 patent)Akira SawakataAkira Sawakata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Toshiba (1 from 52,766 patents)

2. Japan Tobacco Inc. (1 from 1,040 patents)


1 patent:

1. 5234304 - Method and apparatus for workpiece installation

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/9/2026
Loading…