HI

Hiroaki Ishida

SK Seiko Koki Kabushiki Kaisha: 10 patents #9 of 27Top 35%
SC Seikosha Co.: 9 patents #33 of 312Top 15%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
SI Sumitomo Metal Industries: 3 patents #222 of 1,462Top 20%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
Mazda Motor: 3 patents #1,256 of 4,755Top 30%
SI Sumitomo Heavy Industries: 2 patents #252 of 917Top 30%
OM Omron: 2 patents #1,275 of 3,089Top 45%
SO Sony: 1 patents #17,262 of 25,231Top 70%
TT Tokyo Institute Of Technology: 1 patents #411 of 1,159Top 40%
Canon: 1 patents #14,899 of 19,416Top 80%
KI Kurita Water Industries: 1 patents #167 of 384Top 45%
Overall (All Time): #78,328 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
4933695 Method of driving a motor-driven shutter for a camera Shigeru Tagami, Yoshio Umezu, Masaki Tanaka 1990-06-12
4893142 Device for activating motor-driven shutter blades Nobuo Shinozaki, Yasuhiro Nishitani 1990-01-09
4876563 Motor-driven shutter for camera Nobuo Shinozaki, Michitake Nakazawa 1989-10-24
4868596 Motor driven shutter for camera Nobuo Shinozaki 1989-09-19
4720725 Flashmatic device for cameras Shinji Nagaoka 1988-01-19
4650306 Electromagnetically releasable shutter for a camera 1987-03-17
4634254 Electromagnetically actuated shutter for a camera Masuo Ogihara, Shinji Nagaoka, Koji Sato 1987-01-06
4418998 Automatic focusing device for the camera 1983-12-06
4355872 Camera equipped with electronic shutter having automatic focus detecting device Kiyoshi Kitai, Tadashi Nakagawa 1982-10-26
4349258 Manual focal point adjusting and change-over device for use in automatic focal point adjuster camera Kiyoshi Kitai, Masaru Kobayashi, Tadashi Nakagawa, Masanori Watanabe, Yuzuru Takazawa 1982-09-14
4316085 Automatic focusing adjustor device Takeo Saito, Takashi Segawa, Shinji Nagaoka, Yuzuru Takazawa 1982-02-16
4258988 Focusing device for automatic focusing camera Kiyoshi Kitai, Tadashi Nakagawa 1981-03-31
4231648 Automatic focusing camera Kiyoshi Kitai, Tadashi Nakagawa 1980-11-04
4215923 Programmed shutter Kiyoshi Kitai 1980-08-05
4210395 Electronic programmed shutter Kiyoshi Kitai 1980-07-01