Growing community of inventors

Hiroshima, Japan

Kotaro Okumura

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 = 0

Kotaro Okumura ↔ Shintaro Sakitani (1 patent)Kotaro Okumura ↔ Keiji Yamamoto (1 patent)Kotaro Okumura ↔ Hiroaki Nishimoto (1 patent)Kotaro Okumura ↔ Noriaki Shintani (1 patent)Kotaro Okumura ↔ Toshihisa Matsumoto (1 patent)Kotaro Okumura ↔ Yasushi Ishida (1 patent)Kotaro Okumura ↔ Ryota Hanada (1 patent)Kotaro OkumuraKotaro Okumura (1 patent)Shintaro SakitaniShintaro Sakitani (45 patents)Keiji YamamotoKeiji Yamamoto (28 patents)Hiroaki NishimotoHiroaki Nishimoto (5 patents)Noriaki ShintaniNoriaki Shintani (2 patents)Toshihisa MatsumotoToshihisa Matsumoto (2 patents)Yasushi IshidaYasushi Ishida (1 patent)Ryota HanadaRyota Hanada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kobelco Construction Machinery Co., Ltd. (1 from 627 patents)


1 patent:

1. D1058614 - Counterweight for a construction machine

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12/16/2025
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