Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8912949 | Ultra-sensitive system for measuring distance or position | Nobuo Nakajima, Shogo Ida, Harumasa Hojo | 2014-12-16 |
| 7999732 | Method and system for GPS position measuring and frequency error detecting method | Nobuhiro Kishimoto | 2011-08-16 |
| 7764227 | Positioning apparatus | Takayoshi Nakamoto, Fumio Ueda | 2010-07-27 |
| 7528771 | Method and system for GPS position measuring and frequency error detecting method | Nobuhiro Kishimoto | 2009-05-05 |
| 7408504 | GPS position measuring method and GPS position measuring system | Nobuhiro Kishimoto | 2008-08-05 |
| 6674402 | Global positioning system and global positioning apparatus | Sergy V. Lyusin | 2004-01-06 |
| 6483457 | Global positioning system and global positioning apparatus | Sergy V. Lyusin | 2002-11-19 |
| 6437736 | Global positioning method, terminal, and system | Fumio Ueda | 2002-08-20 |
| 6387310 | Thermosetting resin composition for prestressed concrete tendon, its use and prestressed concrete tendon using the composition | Hiroshi Iizuka, Toshio Kobayashi, Mutsuhiko Ohnisi | 2002-05-14 |
| 6329946 | GPS position measuring system and GPS position measuring apparatus | Sergy V. Lyusin | 2001-12-11 |
| 6297770 | Global positioning system and global positioning method with improved sensitivity by detecting navigation data inversion boundaries | Fumio Ueda | 2001-10-02 |
| 5280642 | Radio receiver for identifying a region transmitting a broadcast signal | Hiroshi Nakamura | 1994-01-18 |
| 5265025 | Navigation system using satellite signals | — | 1993-11-23 |
| 5257195 | On-board vehicle position detector | — | 1993-10-26 |
| 4903212 | GPS/self-contained combination type navigation system | Kazuhiro Yokouchi, Tatsumi Kageyama, Chogo Sekine, Harumasa Hojo, Koji Yamada +1 more | 1990-02-20 |
| 4688176 | Navigator for use aboard a vehicle | — | 1987-08-18 |
| 4414687 | Radio receiver | — | 1983-11-08 |
| 4328922 | Article carton with separating partition | — | 1982-05-11 |