TY

Toshimasa Yamanaka

PE Pentax: 17 patents #102 of 761Top 15%
AK Asahi Kogaku Kogyo K.K.: 8 patents #3 of 180Top 2%
Overall (All Time): #165,933 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
5917533 Thermal line printer Minoru Suzuki, Hiroshi Orita, Michirou Ohishi, Kiyoshi Negishi, Katsumi Kawamura +3 more 1999-06-29
5638104 Thermal line printer Minoru Suzuki, Hiroshi Orita, Michirou Ohishi, Kiyoshi Negishi, Katsumi Kawamura +3 more 1997-06-10
5621495 Representation of depth of field in camera Masato Yamamoto, Masahiro Nakajima, Yutaka Ohsawa 1997-04-15
5602616 Exposure control apparatus of camera Osamu Sato, Satoshi Nakano, Isamu Hirai, Toshiyuki Kitazawa, Takayuki Sensui +4 more 1997-02-11
5510875 Representation of depth of field in camera Masato Yamamoto, Masahiro Nakajima, Yutaka Ohsawa 1996-04-23
5485242 Exposure control apparatus of camera Osamu Sato, Satoshi Nakano, Isamu Hirai, Toshiyuki Kitazawa, Takayuki Sensui +3 more 1996-01-16
D362267 Printer Jun Kitera 1995-09-12
D361084 Printer Jun Kitera 1995-08-08
5382997 Exposure control apparatus of camera Osamu Sato, Satoshi Nakano, Isamu Hirai, Toshiyuki Kitazawa, Takayuki Sensui +4 more 1995-01-17
5280319 Exposure control apparatus of camera including exposure factor limit value setting means Osamu Sato, Satoshi Nakano, Isamu Hirai, Toshiyuki Kitazawa, Takayuki Sensui +3 more 1994-01-18
5170206 Indicating apparatus within finder of camera Masato Yamamoto, Masahiro Nakajima 1992-12-08
D331576 Barcode scanner 1992-12-08
5066967 Single-lens reflex camera with built-in flash Masato Yamamoto, Susumu Koshino, Koji Sato, Akihiro Arai, Masahiro Koinuma 1991-11-19
5065177 SLR camera with auxiliary light emitter Masato Yamamoto, Masahiro Nakajima 1991-11-12
D319228 Barcode reader Seiichi Mori, Takeshi Matsushita 1991-08-20
5036343 Camera with side-mounted balancer 1991-07-30
5019852 Representation of depth of field in camera Masato Yamamoto, Masahiro Nakajima, Yutaka Ohsawa 1991-05-28
4977425 Indicating apparatus within finder of camera Masato Yamamoto, Masahiro Nakajima 1990-12-11
4949118 Indicating apparatus within finder of single-lens reflex camera Masato Yamamoto, Masahiro Nakajima 1990-08-14
4918264 Actuating mechanism and multiposition rubber or membrane switch device Masato Yamamoto, Masahiro Nakajima, Kouji Satou 1990-04-17
4910542 Single-lens reflex camera with built-in flash Masato Yamamoto, Susumu Koshino, Koji Sato, Akihiro Arai, Masahiro Koinuma 1990-03-20
D306606 Pair of binoculars Takenao Shishikura, Akio Takahashi 1990-03-13
4893140 Single-lens reflex camera with built-in flash Masato Yamamoto, Susumu Koshino, Koji Sato, Akihiro Arai, Masahiro Kionuma 1990-01-09
4887114 Back-cover release device for a camera Masato Yamamoto, Masahiro Nakajima 1989-12-12
D297242 Telescope 1988-08-16