MK

Masahiro Koinuma

PE Pentax: 18 patents #94 of 761Top 15%
AK Asahi Kogaku Kogyo K.K.: 3 patents #38 of 180Top 25%
PE Pentax: 2 patents #187 of 396Top 50%
HO Hoya: 1 patents #757 of 1,290Top 60%
Overall (All Time): #175,509 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
7625143 Camera system Takeshi Matsushita, Toshihiro Hamamura, Takashi Enomoto, Masakazu Saori 2009-12-01
D528574 Spotting scope 2006-09-19
D508252 Spotting scope 2005-08-09
D473247 Binoculars 2003-04-15
D453173 Casing for binoculars 2002-01-29
D453174 Binoculars 2002-01-29
D450313 Remote controller 2001-11-13
D431830 Camera 2000-10-10
D413131 Binoculars 1999-08-24
D410241 Binoculars 1999-05-25
D404750 35 MM camera 1999-01-26
D381998 35 MM camera 1997-08-05
D375106 Binoculars Takashi Matsuda 1996-10-29
D359747 35 MM camera Masashi Furuno, Toshiya Inaba 1995-06-27
D354762 35 mm camera 1995-01-24
D348277 35 MM camera 1994-06-28
5307966 Strapping structure for an instrument and the like Toshiya Inaba 1994-05-03
D335499 Still video camera 1993-05-11
D334941 Combined still video camera and audio adapter 1993-04-20
D328276 Combined AC adapter and battery charger 1992-07-28
5066967 Single-lens reflex camera with built-in flash Masato Yamamoto, Susumu Koshino, Toshimasa Yamanaka, Koji Sato, Akihiro Arai 1991-11-19
D313423 Camera Koki Onuma 1991-01-01
4910542 Single-lens reflex camera with built-in flash Masato Yamamoto, Susumu Koshino, Toshimasa Yamanaka, Koji Sato, Akihiro Arai 1990-03-20
4566054 Rack for mounting two electronic devices connectable to and disconnectable from each other Mituhiko Shimoda, Yoshitaka Ohta 1986-01-21