TI

Takayoshi Ishikawa

Mitsubishi Electric: 14 patents #1,823 of 25,717Top 8%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
NC Nippon Aleph Co.: 2 patents #6 of 23Top 30%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #226,356 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
6256139 Plastic optical fiber continuous optical amplifier and excitation tube Kazuhito Fujii, Suguru Horinouchi 2001-07-03
5832578 Method of manufacturing a filter by forming strip lines on a substrate and dividing the substrate Naoki Yuda, Hiroshi Takahashi, Thuyoshi Himori, Tomoaki Ieda 1998-11-10
5489881 Stripline resonator filter including cooperative conducting cap and film Naoki Yuda, Hiroshi Takahashi, Thuyoshi Himori, Tomoaki Ieda 1996-02-06
5343355 Safety shutter device for drawout type switch gear 1994-08-30
5337210 Drawout type switch gear Shinsaku Yamasaki 1994-08-09
5324088 Suspension apparatus Tsukasa Iio 1994-06-28
D347623 Air circuit breaker Masakatsu Suzuki, Fumiyuki Hisatsune, Tsukasa Iio, Yasushi Genba, Kouhei Fujiwara +2 more 1994-06-07
5309317 Drawout type switchgear including lock member to allow circuit breaker to be positioned in three locked positions 1994-05-03
4795990 Trap circuit with two variable inductors Yasuhiko Yoshida 1989-01-03
4655538 Terminal connecting device for pulling-type breaker Kiyoshi Eguchi, Shigemi Tamaru, Yasushi Genba, Tsutomu Sera 1987-04-07
4630074 Multiple-stylus electrode for discharge printing Tamotsu Horinouchi, Tsugutoshi Tanaka, Masahiro Ono 1986-12-16
4497992 Air circuit breaker Toshihiko Kodera, Kiyoshi Eguchi, Yasushi Genba, Shigemi Tamaru, Susumu Satou 1985-02-05
4486814 Drawer-type circuit breaker Yasushi Genba, Shigemi Tamaru, Kiyoshi Eguchi 1984-12-04
4475021 Air circuit breaker Yoshinori Mochizuki, Kiyoshi Eguchi, Yasushi Genba, Shigemi Tamaru, Masayuki Okada 1984-10-02
4468533 Air circuit breaker Toshihiko Kodera, Kiyoshi Eguchi, Yasushi Genba, Shigemi Tamaru, Susumu Satou 1984-08-28
4468081 Terminal assembly for circuit interrupter Yasushi Genba, Shigemi Tamaru, Kiyoshi Eguchi, Hideshi Takashita 1984-08-28
4468082 Terminal assembly for circuit interrupter Shigemi Tamaru, Yasushi Genba, Kiyoshi Eguchi, Hideshi Takashita 1984-08-28
4446347 Arc-suppressing apparatus for circuit breaker Kiyoshi Eguchi, Shigemi Tamaru, Yasushi Genba, Toshihiko Kodera 1984-05-01
4422059 Band-pass filter having multilayered coil structures Tsuneharu Fuji, Masakatsu Tsumura 1983-12-20
4412112 Drawer-type circuit breaker Yasushi Genba, Shigemi Tamaru, Kiyoshi Eguchi 1983-10-25