SI

Shinji Ishikawa

Sumitomo Electric Industries: 5 patents #22 of 2,038Top 2%
📍 Yokohama, JP: #21 of 177 inventorsTop 15%
Overall (1997): #3,418 of 185,788Top 2%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5696860 Optical device module and method for manufacturing the same Shigeru Semura, Masahide Saito, Dai Yui, Shigeru Hirai 1997-12-09
5673345 Package with optical waveguide module mounted therein Masahide Saito, Shigeru Semura, Dai Yui, Hiroo Kanamori 1997-09-30
5660611 Method for producing glass thin film Akira Urano, Haruhiko Aikawa, Chizai Hirose, Hiroo Kanamori, Masahide Saitoh 1997-08-26
5625730 Optical waveguide module having waveguide substrate made of predetermined material and ferrule made of material different from that of waveguide substrate Masahide Saito, Shigeru Semura 1997-04-29
5597398 Process for producing glass preform for optical fiber Yoshiki Chigusa, Motonori Nakamura, Yoshinori Makio, Morio Watanabe 1997-01-28