Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10272528 | Flux for submerged arc welding | Makoto Ota | 2019-04-30 |
| 5547705 | Nonlinear optical device and method of manufacturing same | Tadashi Fukuzawa, Kiyoshi Kumata, Victor Y. Lee, Franklin Mark Schellenberg, Yutaka Takahashi | 1996-08-20 |
| 5359617 | Nonlinear optical device | Kiyoshi Kumata, Soichi Owa | 1994-10-25 |
| 5157543 | Optical beam deflector | Tadashi Fukuzawa, Yutaka Takahashi | 1992-10-20 |