HY

Hisaharu Yanagawa

FC Furukawa Electric Co.: 7 patents #1 of 130Top 1%
Overall (1994): #1,253 of 165,921Top 1%
7
Patents 1994

Issued Patents 1994

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5369718 Total internal reflection-type optical waveguide switch Yoshiyuki Kamata 1994-11-29
5361382 Method of connecting optical waveguide and optical fiber Shirou Nakamura, Takeo Shimizu, Toshihiko Ohta, Takashi Shigematsu, Toshihiro Ochiai +1 more 1994-11-01
5333232 Optical fiber for connection to waveguide type optical device and method of manufacturing the same Takahiro Ono 1994-07-26
5321782 Directional coupler type optical function element Akira Mugino 1994-06-14
5301252 Mode field conversion fiber component Hirokazu Hayakawa 1994-04-05
5297228 Method of connecting an optical fiber to an optical waveguide Takeo Shimizu, Shiro Nakamura, Ken Ueki 1994-03-22
5291575 Manufacturing method for waveguide-type optical components Ken Ueki 1994-03-01