TN

Takashi Niwa

SI Seiko Instruments: 76 patents #2 of 1,437Top 1%
OE Omron Tateisi Electronics: 15 patents #2 of 599Top 1%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
UN Unknown: 4 patents #4,220 of 83,584Top 6%
OM Omron: 3 patents #980 of 3,089Top 35%
Aisin Seiki Kabushiki Kaisha: 2 patents #1,427 of 3,782Top 40%
SC Seiko Instruments R & D Center: 1 patents #9 of 38Top 25%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
SS Sumitomo Wiring Systems: 1 patents #1,603 of 2,615Top 65%
Overall (All Time): #11,727 of 4,157,543Top 1%
111
Patents All Time

Issued Patents All Time

Showing 76–100 of 111 patents

Patent #TitleCo-InventorsDate
6528780 Optical probe for proximity field Yasuyuki Mitsuoka, Norio Chiba, Nobuyuki Kasama, Kunio Nakajima 2003-03-04
6479816 Near-field optical probe Mamabu Oumi, Yasuyuki Mitsuoka, Norio Chiba, Nobuyuki Kasama, Kenji Kato 2002-11-12
6473384 Near field optical head having flexible structure Manabu Oumi, Yasuyuki Mitsuoka, Nobuyuki Kasama, Kenji Kato, Hidetaka Maeda +1 more 2002-10-29
6466537 Recording apparatus Nobuyuki Kasama, Norio Chiba, Yasuyuki Mitsuoka, Manabu Oumi, Kenji Kato +1 more 2002-10-15
6459052 Key unit and switch body and door switch using the same Hiroyuki Kajio, Hidemitsu Takenaka, Yasuo Isa 2002-10-01
6448543 Near field optical head and reproduction method Yasuyuki Mitsuoka, Norio Chiba, Nobuyuki Kasama, Kunio Nakajima, Kenji Kato +1 more 2002-09-10
6429419 Near-field optical head Yasuyuki Mitsuoka, Norio Chiba, Nobuyuki Kasama, Kunio Nakajima 2002-08-06
6376827 Near field optical memory head Nobuyuki Kasama, Yasuyuki Mitsuoka, Norio Chiba, Kunio Nakajima, Manabu Oumi +2 more 2002-04-23
6370306 Optical waveguide probe and its manufacturing method Kazuo Sato, Mitsuhiro Shikita, Kenji Kato, Masataka Shinogi, Kunio Nakajima +4 more 2002-04-09
6307167 Key switch Hiroyuki Kajio 2001-10-23
6165336 Gas sensor Masao Maki 2000-12-26
5489808 Electric circuit substrate apparatus Kenichi Kaneko, Osamu Matsubara, Katsuhiko Yamamoto 1996-02-06
5488207 Key switch with a locking arrangement on a rotating element Kenji Shinohara, Makito Morii 1996-01-30
5364283 Connecting device Kiyokazu Katoh, Kenichi Kaneko, Osamu Matsubara 1994-11-15
5165530 Light emitting type push button switch Kenji Shinohara 1992-11-24
5122626 Illuminated display push-button switch Kenji Shinohara, Norio Iwakiri 1992-06-16
5091617 High frequency heating apparatus using inverter-type power supply Naoyoshi Maehara, Takahiro Matsumoto, Kazuho Sakamoto, Daisuke Bessyo, Shigeru Kusunoki +1 more 1992-02-25
5072085 Illuminated push-button switch Kenji Shinohara 1991-12-10
5017747 Microswitch Toyohiro Nagahara, Takezo Sano, Isao Kato 1991-05-21
4999762 High voltage power source device Kazuho Sakamoto, Haruo Suenaga, Takahiro Matsumoto 1991-03-12
4990730 Illuminated push-button switch Kenji Shinohara 1991-02-05
4968860 Light emitting type push button switch Kenji Shinohara 1990-11-06
4967051 High-frequency heating apparatus having start control device for magnetron power supply circuit Naoyoshi Maehara, Haruo Suenaga, Kazuho Sakamoto, Kimiaki Yamaguchi, Takahiro Matsumoto 1990-10-30
4933523 Push-button switch Sueaki Honda, Mitsuji Hayashi, Akihiko Hayakawa, Hideyuki Bingo 1990-06-12
4910368 Push-button switch Sueaki Honda, Mitsuji Hayashi, Akihiko Hayakawa, Hideyuki Bingo 1990-03-20