MO

Masahiro Ohishi

TO Topcon: 38 patents #15 of 684Top 3%
KT Kabushiki Kaisha Top: 1 patents #53 of 213Top 25%
TK Tokyo Kogaku Kikai: 1 patents #65 of 143Top 50%
Overall (All Time): #79,587 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
6248989 Tilt detecting device 2001-06-19
6084896 Laser light-source apparatus and method of producing light beam Fumio Ohtomo, Hiroshi Koizumi, Masayuki Momiuchi, Yoshiaki Goto 2000-07-04
6048105 Laser system for surveying Fumio Ohtomo, Hiroshi Koizumi, Masayuki Momiuchi, Yoshiaki Goto 2000-04-11
6002696 Laser apparatus and method of controlling the same Hiroshi Koizumi, Fumio Ohtomo, Masayuki Momiuchi, Yoshiaki Goto 1999-12-14
5991325 Laser beam emitting apparatus and method of driving laser light source Fumio Ohtomo, Hiroshi Koizumi, Masayuki Momiuchi, Yoshiaki Goto 1999-11-23
5936987 Laser beam emitting apparatus Fumio Ohtomo, Hiroshi Koizumi, Masayuki Momiuchi, Yoshiaki Goto 1999-08-10
5909455 Rotating laser beam irradiating apparatus Fumio Ohtomo, Hiroshi Koizumi, Masayuki Momiuchi, Yoshiaki Goto 1999-06-01
5898489 Laser irradiation light detecting device Fumio Ohtomo, Hiroshi Koizumi, Masayuki Momiuchi, Toshikazu Adegawa 1999-04-27
5825798 Laser oscillating apparatus and method of driving laser beam source Masayuki Momiuchi, Hiroshi Koizumi, Yoshiaki Goto, Fumio Ohtomo 1998-10-20
5745623 Laser system for surveying Fumio Ohtomo, Hiroshi Koizumi, Masayuki Momiuchi, Yoshiaki Goto 1998-04-28
5532813 Optical distance meter and light source device used for the same Fumio Ohtomo, Kazuaki Kimura, Masaaki Yabe, Yasutaka Katayama, Kazushige Koshikawa +1 more 1996-07-02
5075878 High resolution measuring device for time difference Fumio Ohtomo 1991-12-24
5054911 Light wave distance measuring instrument of the pulse type Fumio Ohtomo 1991-10-08
5002388 Optical distance measuring apparatus having a measurement error compensating function Fumio Ohtomo 1991-03-26
4942561 Delay time measuring device Fumio Ohtomo 1990-07-17