YN

Yoshikazu Nishiwaki

Sumitomo Electric Industries: 12 patents #2,165 of 21,551Top 15%
Overall (All Time): #429,620 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5106584 Cell selecting apparatus Hiroyasu Funakubo, Shinichi Miyake 1992-04-21
4729618 Integrated optic circuit Ken Yoshida 1988-03-08
4685763 Light modulation device Kunio Tada, Shunji Matsuoka 1987-08-11
4673241 Diffraction gratings and optical branching filter elements Shunji Matsuoka, Kenji Okamoto 1987-06-16
4641913 Optical integrated circuit utilizing the piezoelectric and photoconductive properties of a substrate Yozo Nishiura 1987-02-10
4616258 Device for monitoring the interior of a conduit Kimizo Ono, Koichi Tsuno, Toru Iwai, Mitsuru Nishikawa 1986-10-07
4569588 Light frequency change detecting method and apparatus Yozo Nishiura 1986-02-11
4560249 Method of forming diffraction gratings and optical branching filter elements produced thereby Shunji Matsuoka, Kenji Okamoto 1985-12-24
4547072 Optical fiber gyro Kenichi Yoshida, Takashi Yokohara, Kimizo Ono, Koichi Tsuno 1985-10-15
4517280 Process for fabricating integrated optics Kenji Okamoto, Shunji Matsuoka, Yozo Nishiura 1985-05-14
4508420 Optical system 1985-04-02
4444462 Picture image observation system Kimizo Ono, Koichi Tsuno, Tohru Iwai, Mitsuru Nishikawa 1984-04-24