Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251202 | Optical information recording medium having multi-layered structures for preventing undesired reflection and electric charging | Yujiro Kaneko, Wasaburo Ohta, Masashi Nakazawa, Michiaki Shinozuka, Isao Miyamoto +3 more | 1993-10-05 |
| 4637960 | Spacer for furnace brazing having low wettability coating thereon | Toshio Hatakeyama | 1987-01-20 |
| 4450611 | Method of manufacturing a blade wheel | Hiroshi Ito, Masao Nagashima | 1984-05-29 |