HO

Hajime Oda

SC Seikosha Co.: 25 patents #4 of 312Top 2%
SP Seiko Precision: 12 patents #7 of 173Top 5%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
HV Hitachi Vantara: 1 patents #77 of 254Top 35%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
SK Seiko Koki Kabushiki Kaisha: 1 patents #23 of 27Top 90%
Overall (All Time): #69,607 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
4771309 Strobe control circuit for flash photography Masuo Ogihara, Yoichi Seki, Hiroshi Yamazaki 1988-09-13
4763155 Shutter control device for camera Hiroyuki Saito, Keiji Arai, Atsushi Misawa, Toshiya Tamura, Michio Taniwaki +1 more 1988-08-09
4755835 Time recorder with printing wheels and impression hammer Masuo Ogihara, Tadashi Ishikawa, Atsushi Takami, Toshiya Tamura 1988-07-05
4751521 Time recorder with automatic correction for momentary discontinuation of power supply Masuo Ogihara, Tadashi Ishikawa, Atsushi Takami, Toshiya Tamura 1988-06-14
4702579 Automatic film sensitivity change-over device Masuo Ogihara, Yoichi Seki, Hiroshi Yamazaki 1987-10-27
4697908 Program shutter Masuo Ogihara, Yoichi Seki, Hiroshi Yamazaki 1987-10-06
4696560 Camera shutter Masuo Ogihara, Yoichi Seki, Hiroshi Yamazaki 1987-09-29
4693583 Programmable shutter Masuo Ogihara, Yoichi Seki, Hiroshi Yamazaki 1987-09-15
4648701 Control circuit for program shutter Masuo Ogihara, Yoichi Seki, Hiroshi Yamazaki 1987-03-10
4300221 Electronic timepiece Nakanobu Moritani, Toshihide Samejima 1981-11-10
4279029 Electronic timepiece Masanori Fujita, Nakanobu Moritani 1981-07-14
4246650 Multi-function electronic timepiece Nakanobu Moritani 1981-01-20
4244042 Alarm timepiece Toshihide Samejima, Nakanobu Moritani, Masanori Fujita 1981-01-06
4218871 Electronic timer Nakanobu Moritani, Toshihide Samejima 1980-08-26
4211067 Time adjusting device for electronic timepiece Toshihide Samejima, Toshio Matsumura, Nakanobu Moritani, Masanori Fujita 1980-07-08
4209975 Time adjusting means for electronic timepiece Nakanobu Moritani, Toshihide Samejima, Toshio Matsumura, Masanori Fujita 1980-07-01
4196584 Time correcting device for electronic timepiece 1980-04-08
4186395 Method of driving a liquid crystal display apparatus Masanori Fujita 1980-01-29