Growing community of inventors

Ube, Japan

Takumi Wakamoto

Average Co-Inventor Count = 6.00

ph-index = 2

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 = 137

Takumi WakamotoYoshiharu Waku (2 patents)Takumi WakamotoYasuhiko Kohtoku (2 patents)Takumi WakamotoHideki Ohtsubo (2 patents)Takumi WakamotoNarihito Nakagawa (2 patents)Takumi WakamotoKazutoshi Shimizu (2 patents)Takumi WakamotoTakumi Wakamoto (2 patents)Yoshiharu WakuYoshiharu Waku (14 patents)Yasuhiko KohtokuYasuhiko Kohtoku (7 patents)Hideki OhtsuboHideki Ohtsubo (6 patents)Narihito NakagawaNarihito Nakagawa (4 patents)Kazutoshi ShimizuKazutoshi Shimizu (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ube Industries, Inc. (2 from 1,432 patents)


2 patents:

1. 5981415 - Ceramic composite material and porous ceramic material

2. 5902763 - Fused ceramic composite

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as of
1/8/2026
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