MN

Masayasu Nihei

HI Hitachi: 9 patents #4,653 of 28,497Top 20%
Overall (All Time): #588,695 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6225598 Method of high frequency pulse arc welding and apparatus therefor Jin Onuki, Takao Funamoto, Izumi Sakurai, Akira Onuma 2001-05-01
5767577 Method of solder bonding and power semiconductor device manufactured by the method Jin Onuki, Toshiaki Morita 1998-06-16
5175608 Method of and apparatus for sputtering, and integrated circuit device Jin Onuki, Yasushi Koubuchi, Kunio Miyazaki, Tatsuo Itagaki 1992-12-29
5051812 Semiconductor device and method for manufacturing the same Jin Onuki, Yasushi Koubuchi, Motoo Suwa, Shinichi Fukada, Katsuhiko Shiota +3 more 1991-09-24
4999096 Method of and apparatus for sputtering Jin Onuki, Yasushi Koubuchi, Kunio Miyazaki, Tatsuo Itagaki 1991-03-12
4692230 Thin film forming method through sputtering and sputtering device Masateru Suwa, Mitsuo Chigasaki 1987-09-08
4436982 Two electrode welding with different currents supplied to the electrodes Satoshi Kokura, Hiroshi Wachi, Hiromi Mashida, Kousaku Senda 1984-03-13
4396823 Method of electrode current control in welding apparatus having a plurality of electrodes Satoshi Kokura, Eiji Ashida, Yuzo Kozono, Akira Onuma 1983-08-02
4280137 Method and apparatus for automatically controlling arc welding Eiji Ashida, Hiroshi Wachi, Akira Sato, Satoshi Kokura 1981-07-21