YS

Yoichi Seki

SC Seikosha Co.: 24 patents #6 of 312Top 2%
SK Seiko Koki Kabushiki Kaisha: 11 patents #7 of 27Top 30%
SP Seiko Precision: 7 patents #22 of 173Top 15%
SC Sodick Co.: 3 patents #31 of 172Top 20%
SC Shimizu Construction Co.: 3 patents #20 of 352Top 6%
MM Mitsubishi Mining: 2 patents #467 of 2,247Top 25%
MA Maeda: 1 patents #11 of 35Top 35%
KG Khs Gmbh: 1 patents #160 of 327Top 50%
Overall (All Time): #56,660 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 26–49 of 49 patents

Patent #TitleCo-InventorsDate
5105595 Mold panel unit and spring-water processing structure using mold panel units Shintaro Tokei, Kazufumi Sumiyama, Masao Obata, Akio Shinozaki, Saburo Kozeki 1992-04-21
5107138 Integrated circuit with battery serving as power source having CMOS analog and digital circuits and regulated stepped up voltage source Hiroyuki Saito, Michio Taniwaki, Teruyo Hayakawa 1992-04-21
5099209 Battery voltage detecting device Hiroyuki Saito, Teruyo Hayakawa 1992-03-24
5006880 Programmable shutter Masuo Ogihara, Hajime Oda, Hiroshi Yamazaki 1991-04-09
4980545 Photometric circuit Hiroyuki Saito, Michio Taniwaki 1990-12-25
4959675 Device for adjusting camera in the initial stage Kazuo Akimoto 1990-09-25
4945378 Circuit for detecting back light Shinji Nagaoka, Hiroyuki Saito, Michio Taniwaki 1990-07-31
4937603 Multiple exposure photographic device for camera Yukio Morino, Michitaka Nakazawa, Toshiaki Hirai, Yusuke Konishi, Michio Taniwaki +2 more 1990-06-26
4771309 Strobe control circuit for flash photography Masuo Ogihara, Hajime Oda, Hiroshi Yamazaki 1988-09-13
4702579 Automatic film sensitivity change-over device Masuo Ogihara, Hajime Oda, Hiroshi Yamazaki 1987-10-27
4697908 Program shutter Masuo Ogihara, Hajime Oda, Hiroshi Yamazaki 1987-10-06
4696560 Camera shutter Masuo Ogihara, Hajime Oda, Hiroshi Yamazaki 1987-09-29
4693583 Programmable shutter Masuo Ogihara, Hajime Oda, Hiroshi Yamazaki 1987-09-15
4648701 Control circuit for program shutter Masuo Ogihara, Hajime Oda, Hiroshi Yamazaki 1987-03-10
4444511 Mode switching device in an electronic timepiece Masuo Ogihara, Nobuo Shinozaki, Tadashi Ishikawa 1984-04-24
4423966 Alarm control system for alarm clock Masuo Ogihara, Nobuo Shinozaki, Tadashi Ishikawa 1984-01-03
4400091 Second stop device of clock Musuo Ogihara, Nobuo Shinozaki, Tadashi Ishikawa 1983-08-23
4389105 Device for detecting coincident focusing points Kiyoshi Kitai, Takeo Saito, Takashi Segawa 1983-06-21
4376994 Time detecting device for alarm clock Masuo Ogihara, Nobuo Shinozaki, Tadashi Ishikawa 1983-03-15
4371267 Time detecting device for alarm clock Masuo Ogihara, Nobuo Shinozaki, Tadashi Ishikawa 1983-02-01
4298972 Alarm signaling time detecting device for leaf type digital clock Masuo Ogihara, Kozo Chimura, Nobuo Shinozaki 1981-11-03
4293938 Alarm signaling time detecting device for digital clock Masuo Ogihara, Kozo Chimura, Nobuo Shinozaki 1981-10-06
4287586 Signaling time detecting device for leaf type digital clock Masuo Ogihara, Kozo Chimura, Nobuo Shinozaki 1981-09-01
4270195 Alarm setting indication device for digital clock Masuo Ogihara, Kozo Chimura, Nobuo Shinozaki 1981-05-26