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Naotatsu Asahi

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
HC Hitachi Powdered Metals Co.: 2 patents #73 of 246Top 30%
ML M.H. Center Limited: 1 patents #5 of 10Top 50%
📍 Hitachinaka, JP: #494 of 2,447 inventorsTop 25%
Overall (All Time): #528,314 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5035677 A universal power transmission joint having a pair of drive pins fixed in parallel by a tie member Hisanobu Kanamaru 1991-07-30
5009070 Combustion apparatus for gas turbine Nobuyuki Iizuka, Fumiyuki Hirose, Yoshitaka Kojima 1991-04-23
4924690 Method and apparatus for plastically forming helical internal gears and helical gears Hisanobu Kanamaru, Susumu Aoyama, Tsutomu Koike, Yoshiki Hirai 1990-05-15
4873150 High water-resistant member, and valve gear using the same for use in internal combustion engine Masayuki Doi, Yoshitaka Kojima, Hisanobu Kanamaru, Susumu Aoyama 1989-10-10
4713646 Gas sensor and method of producing the same Naomasa Sunano, Toshio Yoshida 1987-12-15
4608232 Gas sensor Naomasa Sunano 1986-08-26
4507643 Gas sensor with improved perovskite type material Naomasa Sunano, Toshio Yoshida 1985-03-26
4486462 Method for coating by glow discharge Shizuka Yamaguchi, Yoshitaka Kojima, Katsuyoshi Terakado 1984-12-04
4394234 Method of processing electrically conductive material by glow discharge Sizuka Yamaguchi, Katsuyoshi Terakado 1983-07-19
4392296 Method of joining two metal members Hisanobu Kanamaru, Akira Tohkairin, Hideo Tatsumi, Mitsuo Haginoya 1983-07-12