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USPTO Patent Rankings Data through Dec 31, 2025
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Junichi Iwamura — 7 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
NCNisshin Steel Co.: 1 patents #240 of 514Top 50%
Kashiwara, JP: #38 of 221 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Junichi Iwamura has been granted 7 US patents while listed as an inventor at Unknown. The first was granted in 1984 and the most recent in September 2003. Junichi Iwamura ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Junichi Iwamura in Kashiwara, JP.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6613197 Method for isolation of barely volatile organic compounds 2003-09-02
5272062 Measurement of catalase activity 1993-12-21
4548831 Acid and alkali insoluble food component from leguminous plants 1985-10-22
4472432 Medicinal use of .alpha.,.beta.-unsaturated fatty acids Chozo Hayashi, Nozomu Takeuchi 1984-09-18
4449997 Plant growth regulator Koichiro Komai 1984-05-22
4428245 Apparatus for sampling molten metal Hajime Nakamura, Yoshio Nakajima, Masaji Hasegawa 1984-01-31
4428876 Process for isolating saponins and flavonoids from leguminous plants 1984-01-31