Hitoshi Otani

TO Topcon: 73 patents #4 of 684Top 1%

TK Tokyo Kogaku Kikai: 2 patents #34 of 143Top 25%

HI Hitachi: 1 patents #17,742 of 28,497Top 65%

HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%

HM Hmy: 1 patents #6 of 11Top 55%

📍 Oshima, JP: #3 of 1,090 inventorsTop 1%

Overall (All Time): #24,466 of 4,157,543Top 1%

Patents All Time

Issued Patents All Time

Showing 76–77 of 77 patents

Patent #	Title	Co-Inventors	Date
4834530	Shape measuring apparatus	Shunji Murai, Fumio Othomo	1989-05-30
4803645	Method and apparatus for measuring coordinates	Fumio Ohtomo	1989-02-07