KF

Kiichi Furuya

TO Topcon: 3 patents #244 of 684Top 40%
TK Tokyo Kogaku Kikai: 1 patents #65 of 143Top 50%
Overall (All Time): #1,285,612 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5742378 Electronic leveling apparatus and leveling staff used with the same Kaoru Kumagai, Shinji Kawashima, Fumio Ohtomo 1998-04-21
5537200 Electronic leveling apparatus having a leveling staff detection function, and leveling staff used with the same Kaoru Kumagai, Shinji Kawashima, Fumio Ohtomo 1996-07-16
5537201 Electronic leveling system, electronic leveling apparatus and leveling staff Kaoru Kumagai, Shinji Kawashima, Fumio Ohtomo 1996-07-16
4325638 Electro-optical distance measuring apparatus Harumi Takeda, Susumu Takahashi, Hiroshi Tamaki 1982-04-20