Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074666 | High stability interferometer for measuring small changes in refractive index and measuring method using the interferometer | Thomas H. Barnes, Kiyofumi Matsuda | 1991-12-24 |
| 5018838 | Method and device for achieving optical spatial phase modulation | Thomas H. Barnes, Kiyofumi Matsuda | 1991-05-28 |
| 4258351 | System for collection and transmission of road traffic information | Kiyoko Shigeta, Shuntetsu Matsumoto, Takashi Imai | 1981-03-24 |