Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6300249 | Polishing compound and a method for polishing | Akitoshi Yoshida, Hiroaki Tanaka | 2001-10-09 |
| 6290580 | Polishing method for silicon wafers which uses a polishing compound which reduces stains | Hiroaki Tanaka, Akitoshi Yoshida, Yusuke Inoue, Shunji Hakomori | 2001-09-18 |
| 6238272 | Polishing compound and a polishing method for silicon wafer | Hiroaki Tanaka, Akitoshi Yoshida | 2001-05-29 |
| 4860028 | Print head assembly | — | 1989-08-22 |
| 4291127 | Plasticizer composition | Hiroshi Akabayashi, Eiji Ohyama, Susumu Shoji, Masami Adachi, Koretoshi Uemura | 1981-09-22 |
| 4186416 | Record reading device for magnetized tags | Tatsuzo Nozaki | 1980-01-29 |