HK

Hiroaki Kagawa

OC Olympus Optical Co.: 9 patents #371 of 2,334Top 20%
OL Olympus: 4 patents #1,098 of 3,097Top 40%
OS Olympus Medical Systems: 4 patents #161 of 833Top 20%
FL Fujitsu Ten Limited: 1 patents #456 of 996Top 50%
Overall (All Time): #247,471 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12376732 Display control apparatus, display control method, and non-transitory recording medium on which display control program is recorded Osamu Nonaka 2025-08-05
12137879 Image processing apparatus, image processing method, and endoscope apparatus Manabu Ichikawa, Toshiyuki Fujii, Osamu Nonaka 2024-11-12
9618726 Endoscope apparatus Hironobu Ichimura, Kenji Omachi 2017-04-11
9345384 Endoscope having breakable portions for preventing damage to the imaging unit Motohiro Kuroda, Toru Shinmura, Hiroyuki Nagamizu 2016-05-24
8821382 Image pickup unit 2014-09-02
8721533 Image pickup apparatus Seiji IWASAKI, Hiroshi Ishii, Tomohisa Takahashi 2014-05-13
8366609 Actuator and image pickup apparatus Seiji IWASAKI, Hiroshi Ishii, Tomohisa Takahashi 2013-02-05
8208015 Endoscope and endoscope apparatus Hiroshi Unsai, Seiji IWASAKI, Hiroyuki Nagamizu, Hiroshi Ishii 2012-06-26
6869383 Control apparatus of automatic transmission 2005-03-22
5873816 Electronic endoscope having an insertional portion a part of which is a conductive armor Katsuyuki Saito, Hidetoshi Saito, Nobuyuki Sakamoto 1999-02-23
5836897 Ultrasonic treatment apparatus Tomohisa Sakurai, Hideo Nagazumi, Kazuya Hijii, Toshihiko Suzuta, Masahiro Kudo +7 more 1998-11-17
5688235 Ultrasonic treatment apparatus Tomohisa Sakurai, Hideo Nagazumi, Kazuya Hijii, Toshihiko Suzuta, Masahiro Kudo +7 more 1997-11-18
5391144 Ultrasonic treatment apparatus Tomohisa Sakurai, Hideo Nagazumi, Kazuya Hijii, Toshihiko Suzuta, Masahiro Kudo +7 more 1995-02-21
5222937 Ultrasonic treatment apparatus 1993-06-29
5211625 Ultrasonic treatment apparatus Tomohisa Sakurai, Tetsumaru Kubota, Tatsuya Kubota, Yuichi Ikeda, Mitsumasa Okada +7 more 1993-05-18
5163433 Ultrasound type treatment apparatus Tomohisa Sakurai, Tetsumaru Kubota, Hitoshi Karasawa, Tatsuya Kubota, Yuichi Ikeda +7 more 1992-11-17
5076276 Ultrasound type treatment apparatus Tomohisa Sakurai, Tetsumaru Kubota, Hitoshi Karasawa, Tatsuya Kubota, Yuichi Ikeda +7 more 1991-12-31
5042460 Ultrasonic treating apparatus with device for inhibiting drive when ultrasonic element is determined to be defective Tomohisa Sakurai, Masakazu Gotanda, Toshihiko Suzuta, Tatsuya Kubota, Kazuya Hijii +5 more 1991-08-27