TO

Toshihiko Ohta

FC Furukawa Electric Co.: 2 patents #18 of 153Top 15%
HI Hitachi: 1 patents #1,533 of 3,950Top 40%
Overall (2002): #19,330 of 266,432Top 8%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6410881 Process for manufacturing electronic circuits Kaoru Katayama, Hiroshi Fukuda, Shinichi Kazui, Yasuhiro Iwata, Mitsugu Shirai +1 more 2002-06-25
6404946 Arrayed waveguide grating type optical multiplexer/demultiplexer Takeshi Nakajima, Kanji Tanaka, Shiro Nakamura 2002-06-11
6377723 Optical waveguide circuit, and method for compensating the light transmission wavelength Tsunetoshi Saito 2002-04-23