IS

Izumi Sakurai

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #1,618,273 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6452101 Multi-core conductive wire and a method of manufacturing the same Takashi Haramaki, Yoshitaka Kojima 2002-09-17
6225598 Method of high frequency pulse arc welding and apparatus therefor Masayasu Nihei, Jin Onuki, Takao Funamoto, Akira Onuma 2001-05-01
4603358 Auto-reverse tape recording and reproducing apparatus Masao Tsuruoka, Masayuki Ishizu, Kiyoshi Ishige 1986-07-29