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Yasuhiro Kumei — 4 Patents

UNUnknown: 8 patents #1,262 of 83,584Top 2%
GIG-C Dental Industrial: 4 patents #11 of 89Top 15%
Tokyo, JP: #30,468 of 90,295 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Yasuhiro Kumei has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1983 and the most recent in July 1988. Yasuhiro Kumei ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Yasuhiro Kumei in Tokyo, JP.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4758274 Dental amalgam alloys containing selenium Atsushige Sato, Ishi Miura, Osamu Okuno, Tsuyoshi Nakano, Yoshinobu Yamamura 1988-07-19
4702765 Method of making selenium-containing amalgam alloys for dental restoration Atsushige Sato, Ishi Miura, Osamu Okuno, Tsuyoshi Nakano, Bunsaku Yoshida 1987-10-27
4528034 Selenium-containing amalgam alloys for dental restoration and method for the preparation thereof Atsushige Sato, Ishi Miura, Osamu Okuno, Tsuyoshi Nakano, Bunsaku Yoshida 1985-07-09
4385892 Setting compositions for dental purposes Atsushige Sato, Ishi Miura, Osamu Okuno, Bunsaku Yoshida 1983-05-31