YK

Yasutoshi Kashiwada

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
Overall (All Time): #767,720 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5136601 Semiconductor laser Takashi Kajimura, Naoki Chinone, Yuichi Ono, Shinichi Nakatsuka, Kazuhisa Uomi +2 more 1992-08-04
4775980 Distributed-feedback semiconductor laser device Naoki Chinone, Shinji Tsuji, Yoshihisa Fujisaki, Motohisa Hirao, Hitoshi Nakamura +4 more 1988-10-04
4665528 Distributed-feedback semiconductor laser device Naoki Chinone, Shinji Tsuji, Yoshihisa Fujisaki, Motohisa Hirao 1987-05-12
4630279 Buried heterojunction laser Takashi Kajimura, Takao Kuroda, Naoki Chinone, Kunio Aiki 1986-12-16
4563764 Semiconductor laser device Takao Kuroda, Takashi Kajimura, Naoki Chinone, Hirobumi Ouchi, Tsukuru Ohtoshi 1986-01-07
4506366 Semiconductor laser device Naoki Chinone, Shigeo Yamashita, Kunio Aiki 1985-03-19
4432091 Semiconductor laser device Takao Kuroda, Takashi Kajimura, Naoki Chinone, Kunio Aiki, Jun-ichi Umeda 1984-02-14