HK

Hitoshi Karasawa

OC Olympus Optical Co.: 26 patents #64 of 2,334Top 3%
Honda Motor Co.: 8 patents #2,726 of 21,052Top 15%
OS Olympus Medical Systems: 8 patents #66 of 833Top 8%
OL Olympus: 4 patents #1,098 of 3,097Top 40%
SC Sumitomo Coal Mining Co.: 2 patents #2 of 13Top 20%
Overall (All Time): #56,813 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDate
8517927 Medical instrument Daisuke Asada, Sho Nakajima 2013-08-27
8475359 Medical apparatus Daisuke Asada, Sho Nakajima, Nobuyoshi Yazawa, Tsutomu Urakawa 2013-07-02
8353820 Medical apparatus Sho Nakajima, Daisuke Asada, Nobuyoshi Yazawa 2013-01-15
8317814 Medical device and process of installing medical device in patient Sho Nakajima, Daisuke Asada, Keiji Handa 2012-11-27
8267854 Endoscope system Daisuke Asada, Keiji Handa 2012-09-18
8237782 Medical instrument with mechanism for removing contaminant on observation window Sho Nakajima, Daisuke Asada, Nobuyoshi Yazawa 2012-08-07
8182414 Endoscope system having retaining instrument Keiji Handa, Daisuke Asada 2012-05-22
8088065 Medical instrument Daisuke Asada, Sho Nakajima 2012-01-03
7966897 Plating apparatus Nobuhiko Yoshimoto, Koji Kobayashi, Mizuho Doi, Hitoshi Harata 2011-06-28
7677115 Magnetostrictive torque sensor and electric power steering apparatus Yuichi Fukuda, Nobuhiko Yoshimoto, Tomohiro Hoshi 2010-03-16
7497132 Magnetostrictive torque sensor and electrically powered steering apparatus using same Hitoshi Harata, Mizuho Doi, Tomohiro Hoshi, Yukiya Kashimura 2009-03-03
7306599 Medical instrument and medical instrument system Tetsumaru Kubota 2007-12-11
7025763 Medical apparatus Chie Yachi 2006-04-11
6986686 Electrical plug for supplying electric power from a power supply to a medical instrument Norikiyo Shibata, Shinya Masuda, Manabu Ishikawa 2006-01-17
6899265 Electric joining method and apparatus and a joined unit of members Yoshito Miyasaka, Masao Tokita, Fumitake Nishiyama 2005-05-31
6761698 Ultrasonic operation system Norikiyo Shibata, Mitsumasa Okada, Manabu Ishikawa, Tomohisa Sakurai 2004-07-13
6631542 Method of manufacturing laminated ring and heat treatment apparatus for use in such method Hitoshi Imai, Katsuyuki Nakajima 2003-10-14
6572537 Endoscope apparatus Yasuyuki Futatsugi, Hidetoshi Saito, Yosuke Yoshimoto, Susumu Aono, Satoshi Honma 2003-06-03
6550122 Method of manufacturing laminated ring Hitoshi Imai, Katsuyuki Nakajima 2003-04-22
6515250 Electric joining method and apparatus and a joined unit of members Yoshito Miyasaka, Masao Tokita, Fumitake Nishiyama 2003-02-04
6478498 Ball for ball-point pen and ball-point pen Yoshito Miyasaka 2002-11-12
6398721 Surgical microscope apparatus Motokazu Nakamura, Masaaki Ueda, Toru Shinmura, Keiji Shioda, Kyo Imagawa +9 more 2002-06-04
5836897 Ultrasonic treatment apparatus Tomohisa Sakurai, Hideo Nagazumi, Kazuya Hijii, Toshihiko Suzuta, Masahiro Kudo +7 more 1998-11-17
5720706 Stereoscopic endoscope Susumu Takahashi, Masao Uehara, Shingo Kato, Atsushi Kidawara, Katsuyuki Saito +15 more 1998-02-24
5697939 Apparatus for holding a medical instrument in place Tatsuya Kubota, Takashi Fukaya, Koji Yasunaga, Masanori Kaneda, Kyo Imagawa +9 more 1997-12-16