Growing community of inventors

Machidashi, Japan

Kiyoshi Chiba

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 = 41

Kiyoshi Chiba ↔ Yoshiyuki Iwasawa (1 patent)Kiyoshi Chiba ↔ Yasuo Kajioka (1 patent)Kiyoshi Chiba ↔ Tomio Komine (1 patent)Kiyoshi Chiba ↔ Yoshinobu Suzuki (1 patent)Kiyoshi Chiba ↔ Tomoya Tukuhiro (1 patent)Kiyoshi ChibaKiyoshi Chiba (1 patent)Yoshiyuki IwasawaYoshiyuki Iwasawa (8 patents)Yasuo KajiokaYasuo Kajioka (7 patents)Tomio KomineTomio Komine (4 patents)Yoshinobu SuzukiYoshinobu Suzuki (3 patents)Tomoya TukuhiroTomoya Tukuhiro (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shimizu Construction Co., Ltd. (1 from 116 patents)


1 patent:

1. 4345431 - Exhaust gas cleaning system for diesel engines

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as of
12/7/2025
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