Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8330700 | Driving circuit and driving method of active matrix display device, and active matrix display device | Shigeru Yamanaka, Ryuichi Hirayama | 2012-12-11 |
| 7626690 | Laser scanner | Kaoru Kumagai, Yasushi Tanaka | 2009-12-01 |
| 7522268 | Distance measuring device | Kaoru Kumagai | 2009-04-21 |
| 6693703 | Distance measuring device and method for adjusting photodetection unit of distance measuring device | Masahiro Ohishi, Kaoru Kumagai | 2004-02-17 |
| 6337473 | Beam position detector having a photodetection unit | Takaaki Yamazaki | 2002-01-08 |
| 5995233 | Surveying system | Fumio Ohtomo, Hiroyuki Nishizawa, Yoshikatsu Tokuda, Toshikazu Adegawa | 1999-11-30 |
| 5946087 | Laser survey instrument | Naoto Kasori, Shin-ichi Hayase | 1999-08-31 |
| 5907907 | Laser leveling system | Fumio Ohtomo, Satoshi Hirano, Kazuki Osaragi, Jun-ichi Kodaira | 1999-06-01 |
| 5867263 | Laser survey instrument having a reflection light blocking means | Fumio Ohtomo, Jun-ichi Kodaira | 1999-02-02 |
| 5844533 | Gray scale liquid crystal display | Minoru Usui, Kouji Yamagishi, Hideki Mori, Tomohiro Mogi | 1998-12-01 |
| 5819424 | Laser leveling device | Fumio Ohtomo | 1998-10-13 |
| 5808771 | Laser rotating and irradiating system | Fumio Ohtomo | 1998-09-15 |
| 5774211 | Laser leveling system for setting pipes | Fumio Ohtomo, Kunihiro Hayashi, Jun-ichi Kodaira, Hiroyuki Nishizawa, Satoshi Hirano +1 more | 1998-06-30 |
| 5612781 | Object reflector detection system | Fumio Ohtomo, Kunihiro Hayashi, Jun-ichi Kodaira, Hiroyuki Nishizawa, Satoshi Hirano +1 more | 1997-03-18 |
| 5465102 | Image display apparatus | Minoru Usui, Kouji Yamagishi, Hideki Mori | 1995-11-07 |
| 5347294 | Image display apparatus | Minoru Usui, Kouji Yamagishi, Hideki Mori | 1994-09-13 |
| 5117224 | Color liquid crystal display apparatus | Masao Kawamura | 1992-05-26 |