Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Hideaki Nishiwaki — 2 Patents

SASamtech: 2 patents #4 of 32Top 15%
JCJapan Metals & Chemicals Co.: 1 patents #70 of 152Top 50%
Overall (All Time): #2,087,823 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10456994 Composite container Senta Tojo, Junzo Suzuki, Makoto Sanada 2019-10-29
8141739 Hydrogen storage tank and manufacturing method for the same Yoshiki Sakaguchi, Naoki Sakaguchi, Takeshi Yamamoto, Shigeru Tsunokake, Tatsuya Fuura +2 more 2012-03-27