ST

Shinichi Tsukada

NI Nikon: 13 patents #314 of 2,493Top 15%
HC Hokkai Can Co.: 5 patents #5 of 86Top 6%
TK Toyo Boseki Kabushiki Kaisha: 1 patents #541 of 1,085Top 50%
Overall (All Time): #224,293 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8676051 Focus detection device, focus detection method, and camera 2014-03-18
8633992 Focus detection device, photographic lens unit, image-capturing apparatus and camera system 2014-01-21
8363153 Focus detection device 2013-01-29
7012750 Auxiliary light projection apparatus for auto focus detection 2006-03-14
6524048 Apparatus for manufacturing can lid Masashi Takamatsu, Takeshi Sugimura, Akihiro Hamada 2003-02-25
6458467 Optical-use adhesive film and roll thereof Naoki Mizuno, Mikio Matsuoka, Tomonori Yoshinaga, Tadaaki Yoshinaka 2002-10-01
6002121 Focus detector having light deflector near image forming plane 1999-12-14
5854948 Photographic lens focusing system and method which compensates for size of aperture 1998-12-29
5748994 Optical device with an image blur suppression function Tadao Kai, Nobuhiko Terui 1998-05-05
5602615 Photometric device to determine a correct photometric value of a spot photometric region Masaru Muramatsu 1997-02-11
5517273 Device for determining whether focus detection may be accurately performed using characteristic data of an interchangeable lens and focus detection device 1996-05-14
5470429 Surface-treating apparatus for can body blanks Tsutomu Shinomiya, Shunzo Miyazaki, Yasuyuki Tanaka, Michiya Tamura 1995-11-28
5409129 Welded cans Shunzo Miyazaki, Hideyuki Yoshizawa, Michiya Tamura, Koji Matsushima 1995-04-25
5361119 Focus state display device for camera Masaru Shida, Akira Ezawa, Tsutomu Wakabayashi, Kimio Uematsu, Keiji Ohsawa +1 more 1994-11-01
5347340 Camera having a focus detection device and interchangeable lens 1994-09-13
5186593 Feeding method for work products and apparatus thereof Yoshiharu Iizuka, Hideyuki Tamura, Osamu Sakashita 1993-02-16
5177637 Focusing screen including different height microlenses arranged in a cyclical pattern 1993-01-05
5125208 Apparatus for seaming can end Tsutomu Shinomiya, Shigeki Yoshioka, Makoto Fujikawa 1992-06-30
5119235 Focusing screen and method of manufacturing same Toshiro Umeda, Hiroyuki Sugimura, Noboru Yoneya, Akira Adachi, Asaji Masuko 1992-06-02
5014491 Apparatus for seaming can end Tsutomu Shinomiya, Eiichi Yoshino, Shigeki Yoshioka, Makoto Fujikawa 1991-05-14