NT

Norio Takeda

MC Mitsubishi Gas Chemical Company: 24 patents #26 of 1,727Top 2%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
Overall (All Time): #107,881 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
5345329 Polarization-independent optical isolator Kazushi Shirai, Toshihiko Takano, Mitsuzo Arii 1994-09-06
5278853 Optical isolator Kazushi Shirai, Makoto Sumitani, Mitsuzo Arii 1994-01-11
5091986 Optical divider for multimode optical fiber systems Mitsuzo Arii, Shigeo Kataoka, Osamu Kondoh, Kuniaki Jinnai, Hisashi Ohwada +1 more 1992-02-25
4932760 Magneto-optic garnet Mitsuzo Arii, Yasunori Tagami, Kazushi Shirai 1990-06-12
4751326 Process for producing benzophenone-azine Takanari Nawata, Shuzabu Sakaguchi, Toshiaki Kohzaki, Osamu Aoki, Masafumi Shimpo 1988-06-14
4727190 Process for preparing benzophenone-azines Takanari Nawata, Shuzabu Sakaguchi, Toshiaki Kohzaki, Osamu Aoki, Yoshiyuki Aoki +1 more 1988-02-23
4347383 Process for producing benzophenone-azines Tomiya Isshiki, Tetsuo Tomita, Shuzabu Sakaguchi, Toshiaki Kohzaki, Osamu Aoki +1 more 1982-08-31
4239741 Process for producing hydrazine sulfate Tomiya Isshiki, Tetsuo Tomita, Toshiaki Kozaki, Osamu Aoki, Mitsuo Abe +4 more 1980-12-16