MK

Masaharu Kawamura

Canon: 75 patents #279 of 19,416Top 2%
HG HGST: 4 patents #440 of 1,677Top 30%
IBM: 2 patents #32,839 of 70,183Top 50%
HB Hgst Netherlands, B.V.: 1 patents #510 of 972Top 55%
TL Teijin Limited: 1 patents #850 of 1,631Top 55%
Overall (All Time): #20,728 of 4,157,543Top 1%
84
Patents All Time

Issued Patents All Time

Showing 51–75 of 84 patents

Patent #TitleCo-InventorsDate
4616913 Camera Masayuki Suzuki, Hidehiko Fukahori, Yoshihito Harada, Ryuichi Kobayashi, Tsunemasa Ohara 1986-10-14
4519685 Finder for single lens reflex camera Kikuo Momiyama, Takashi Uchiyama, Ryoichi Suzuki, Hiroyasu Murakami, Shinji Sakai 1985-05-28
4512656 Camera system Nobuhiko Shinoda, Nobuaki Sakurada, Tadashi Ito, Fumio Ito, Hiroyashu Murakami 1985-04-23
4494850 Flash photographing system Makoto Katsuma, Masanori Yamada 1985-01-22
4488145 Resonant sounder device for producing multiple warning sounds Makoto Katsuma, Kiyoshi Alyfuku, Masayoshi Kiuchi, Hiroyasu Murakami 1984-12-11
4480902 Camera having light measuring mode change-over device with safety circuit 1984-11-06
4474447 Camera with automatic focusing device Takashi Kawabata, Hiroyasu Murakami 1984-10-02
4462025 Indication device for camera Hiroyasu Murakami, Takashi Uchiyama, Ryoichi Suzuki, Shinji Sakai, Kikuo Momiyama 1984-07-24
4457612 Liquid crystal display device for camera Ryoichi Suzuki, Hiroyasu Murakami, Shinji Sakai, Takashi Uchiyama, Kikuo Momiyama 1984-07-03
4455069 Camera with EE lock 1984-06-19
4452522 Liquid crystal display device for camera Hiroyasu Murakami, Takashi Uchiyama, Ryoichi Suzuki, Shinji Sakai, Kikuo Momiyama 1984-06-05
4449805 Data registration device Nobuaki Sakurada, Shohei Ohtaki, Soichi Nakamoto, Nobuhiko Shinoda 1984-05-22
4448509 Interchangeable lens barrel with signal transfer contacts Makoto Katsuma, Shigeru Kamata, Syuichiro Saito, Akira Akashi 1984-05-15
4437752 Safety device for camera and accessory Akira Akashi, Makoto Katsuma, Shigeru Kamata, Syuichiro Saito 1984-03-20
4405222 Mode setting device for camera Hiroshi Yamamoto, Masanori Uchidoi 1983-09-20
4402589 Correct exposure annunciating device Hiroyuki Kataoka, Makoto Katsuma, Masanori Uchidoi 1983-09-06
4389609 Battery check device 1983-06-21
4384771 Data registration device Nobuaki Sakurada, Shohei Ohtaki, Soichi Nakamoto, Nobuhiko Shinoda 1983-05-24
4382667 Exposure compensation information forming apparatus for a camera Masayoshi Kiuchi 1983-05-10
4365880 Indicator for camera Masayoshi Kiuchi, Hiroyasu Murakami 1982-12-28
4364647 Control device for a camera Nobuaki Sakurada, Nobuhiko Shinoda, Tadashi Ito, Fumio Ito, Hiroyashu Murakami 1982-12-21
4331406 Indicating device for computer type electronic flash unit Masayoshi Kiuchi, Masanori Yamada, Hiroyasu Murakami 1982-05-25
4307953 Mode setting device for camera Hiroshi Yamamoto, Masanori Uchidoi 1981-12-29
4302086 Liquid crystal indicator in camera finder Ryoichi Suzuki, Takashi Uchiyama, Hiroyasu Murakami, Shinji Sakai, Kikuo Momiyama 1981-11-24
4302083 Automatic exposure control camera with means to lock continuously renewed exposure control data in a memory Masanori Uchidoi 1981-11-24