Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12147970 | IC card, processing method, and information processing system | Tsutomu Nakatsuru, Masaki Nakamura | 2024-11-19 |
| 8072415 | Control signal input system and control signal input method | — | 2011-12-06 |
| 5629704 | Target position detecting apparatus and method utilizing radar | Kraisorn Throngnumchai, Teruyoshi Mihara, Yukitsugu Hirota | 1997-05-13 |
| 5565870 | Radar apparatus with determination of presence of target reflections | Hiroyuki Kamishima, Toshiro Muramatsu | 1996-10-15 |
| 5471215 | Radar apparatus | Hiroyuki Kamishima, Toshiro Muramatsu | 1995-11-28 |
| 5355118 | Vehicle collision alert system | — | 1994-10-11 |
| 5005021 | Antenna unit for vehicle | Koichiro Kato, Hiroyuki Kamishima, Hitoshi Tsukahara | 1991-04-02 |
| 4968984 | Antenna unit for a vehicle | Kouichiro Katoh, Hiroyuki Kamishima | 1990-11-06 |
| 4804964 | Loran-C signal receiving apparatus | Hideo Takai | 1989-02-14 |
| 4774518 | Loran-C signal phase tracking apparatus | — | 1988-09-27 |
| 4731613 | Positioning system for a vehicle | Hiroshi Endo, Motoki Hirano | 1988-03-15 |
| 4672382 | Position measuring system | Hideo Takai, Yasuyuki Uekusa, Hisao Kishi | 1987-06-09 |
| 4670759 | Automatic Loran-C signal detecting apparatus | — | 1987-06-02 |
| 4633260 | Loran-C signal receiving apparatus | — | 1986-12-30 |
| 4627103 | S/N ratio determining method and apparatus for a receiver | — | 1986-12-02 |
| 4594594 | Loran signal receiver | — | 1986-06-10 |
| 4591860 | Loran-C receiver | — | 1986-05-27 |
| 4584714 | Automotive radio receiver with radio frequency interference elimination circuit | — | 1986-04-22 |
| 4525870 | Automotive radio receiver with radio frequency interference elimination circuit | Norio Fujiki | 1985-06-25 |
| 4384331 | Noise suppressor for vehicle digital system | Yukitsugu Hirota, Masazumi Sone | 1983-05-17 |
| 4271535 | Noise eliminating system | Norio Fujiki | 1981-06-02 |