Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889958 | Building with electromagnetic shield structure for individual floors | Masatake Nakamura, Yoshiji Yabana, Toshiuyki Ishikawa, Koji Nagata | 1989-12-26 |
| 4877149 | Scored container top | Akinori Kodama | 1989-10-31 |
| 4858466 | Measuring apparatus of volume of an injected fluid | Naoyuki Tsuzuki, Yukimitsu Omori, Akio Takamura | 1989-08-22 |
| 4858439 | Device for varying a stroke | Daisaku Sawada | 1989-08-22 |
| 4843704 | Tool exchange apparatus | Katsuyoshi Sakamoto | 1989-07-04 |
| 4841936 | Fuel injection control device of an internal combustion engine | — | 1989-06-27 |
| 4828135 | Cover for a can-shaped container | Yoshihiko Kawakami, Yoshitsugu Hamada, Junji Yotsuyanagi | 1989-05-09 |
| 4814694 | System for detecting and processing abnormality in electromagnetic shielding of intelligent buildings | Masatake Nakamura, Yoshiji Yabana, Toshiyuki Ishikawa, Koji Nagata | 1989-03-21 |
| 4810961 | Radio wave leakage diagnosing system for intelligent building | Masatake Nakamura, Yoshiji Yabana, Toshiyuki Ishikawa, Koji Nagata | 1989-03-07 |
| 4803393 | Piezoelectric actuator | — | 1989-02-07 |
| 4798084 | Measuring device for measuring a fuel injection quantity | Naoyuki Tsuzuki, Hidetaka Nohira, Yukimitsu Omori, Akio Takamura | 1989-01-17 |