YT

Yoshiaki Takeuchi

KT Kabushiki Kaisha Toshiba: 1 patents #376 of 1,409Top 30%
NT NTT: 1 patents #30 of 180Top 20%
SC Shinko Sellbic Co.: 1 patents #2 of 2Top 100%
📍 Ibaraki, JP: #11 of 447 inventorsTop 3%
Overall (1989): #5,887 of 140,708Top 5%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4869570 Fiber coupler and method and apparatus for manufacturing the same Itaru Yokohama, Kazunori Chida, Juichi Noda, Hiroaki Hanafusa, Mitsuhiro Tateda 1989-09-26
4861254 Cassette-type molding die Hiroshi Takeuchi 1989-08-29
4856034 Semiconductor integrated circuit Kaoru Nakagawa 1989-08-08