Growing community of inventors

Tokyo, Japan

Masahiko Ooyama

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 = 1

Masahiko Ooyama ↔ Kenji Yokoyama (1 patent)Masahiko Ooyama ↔ Yoshio Iida (1 patent)Masahiko Ooyama ↔ Youhei Suzuki (1 patent)Masahiko Ooyama ↔ Kakutaro Kauchi (1 patent)Masahiko Ooyama ↔ Yasumasa Fujii (1 patent)Masahiko OoyamaMasahiko Ooyama (1 patent)Kenji YokoyamaKenji Yokoyama (59 patents)Yoshio IidaYoshio Iida (6 patents)Youhei SuzukiYouhei Suzuki (5 patents)Kakutaro KauchiKakutaro Kauchi (4 patents)Yasumasa FujiiYasumasa Fujii (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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

2. Nec Environment Engineering, Ltd. (1 from 8 patents)


1 patent:

1. 5227234 - Thermal adhesive vibration damping sheets

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as of
12/6/2025
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