Growing community of inventors

Tsuchiura, Japan

Yoshiharu Ootomo

Average Co-Inventor Count = 3.00

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 = 4

Yoshiharu OotomoToshimasa Sakagami (1 patent)Yoshiharu OotomoNoboru Tanaka (1 patent)Yoshiharu OotomoYoshiharu Ootomo (1 patent)Toshimasa SakagamiToshimasa Sakagami (6 patents)Noboru TanakaNoboru Tanaka (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ito Co., Ltd. (1 from 22 patents)


1 patent:

1. 8821428 - Traction apparatus and rope take-up mechanism of traction apparatus

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1/7/2026
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