HM

Hirofumi Matsuo

PE Pentax: 18 patents #94 of 761Top 15%
AK Asahi Kogaku Kogyo K.K.: 2 patents #47 of 180Top 30%
AK Asahi Seimitsu Kabushiki Kaisha: 2 patents #18 of 40Top 45%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #182,921 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
10890512 Tire gripping device and tire inspection method Keiji Nakagawa, Michihiko Yoshimura, Shonosuke Motomiya 2021-01-12
8902550 Direct-current switch Kazuaki Mino, Hiroyuki Ota, Toru Hosen, Hironobu Shiroyama 2014-12-02
5877892 Focus detecting apparatus for a telescope system Satoru Nakamura, Shinichi Suzuki, Takayuki Sensui, Takayuki Ito, Tatsuo Gotoh +1 more 1999-03-02
5796517 Inner focus type telescope Takayuki Sensui, Takayuki Ito, Satoru Nakamura, Tatsuo Goto, Yasuo Nakamura 1998-08-18
5734520 Magnetic recording/reproducing apparatus Yasuhiro Okuda, Toshiro Tsukahara, Nobuzumi Kurihara, Kiyoshi Yanagiguchi 1998-03-31
5673099 Lens shutter camera including zoom lens Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more 1997-09-30
5625487 Device for adjusting the diopter setting of a finder assembly Sachio Hasushita, Tetsuya Abe, Shuji Yoneyama, Ryota Ogawa, Ichiro Taguchi +1 more 1997-04-29
5621568 Device for adjusting the diopter setting of a finder assembly Sachio Hasushita, Tetsuya Abe, Shuji Yoneyama, Ryota Ogawa, Ichiro Taguchi +1 more 1997-04-15
5589976 Telescope with rear converter and rear conversion lens and telescope Moriyasu Kanai 1996-12-31
5583596 Lens shutter camera including zoom lens Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more 1996-12-10
5465131 Lens shutter camera including zoom lens Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +1 more 1995-11-07
5379105 Roof surface measuring apparatus Makoto Iki, Masahiro Oono, Masato Noguchi 1995-01-03
5353158 Albada type zoom finder 1994-10-04
5276475 Lens shutter camera including zoom lens Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more 1994-01-04
5264885 Lens shutter camera including zoom lens Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more 1993-11-23
5162945 Ocular lens system Hiroyuki Kato 1992-11-10
5157429 Lens shutter camera including zoom lens Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more 1992-10-20
5150145 Lens shutter camera including zoom lens Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more 1992-09-22
5142315 Lens shutter type of camera including zoom lens Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more 1992-08-25
4944030 Lens shutter camera including zoom lens Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more 1990-07-24
4923292 Macro lens system 1990-05-08
4871241 Compact zoom lens system 1989-10-03
4740063 Telephoto zoom lens system Takayuki Itoh 1988-04-26