Issued Patents 2002
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501585 | Multi-beam exposure apparatus | Takashi Shiraishi, Yasuyuki Fukutome | 2002-12-31 |
| 6500049 | Lapping oil composition for finish-grinding | Kazuya Orii, Isao Saito, Yasutoshi Fujita, Toshimichi Sakurada | 2002-12-31 |
| 6497611 | Method of polishing a magnetic head slider | Toshimichi Sakurada, Yasutoshi Fujita, Kazuo Orii, Isao Saito | 2002-12-24 |
| 6454315 | Oil well pipe screw joint, and threading method and apparatus therefor | — | 2002-09-24 |
| 6452709 | Multi-beam exposure unit | Takashi Shiraishi, Yasuyuki Fukutome | 2002-09-17 |
| 6444132 | Free abrasive slurry compositions | Kazuya Orii, Tetsuyuki Itakura, Masahiro Sasaki, Yasutoshi Fujita | 2002-09-03 |
| 6383239 | Free abrasive slurry composition and a grinding method using the same | Yasuyuki Suzuki, Tomohiro Kaku, Isao Saito, Kazuya Orii, Yasutoshi Fujita +1 more | 2002-05-07 |
| 6381078 | Optical device | Takashi Shiraishi | 2002-04-30 |
| 6361399 | Slider processing apparatus, load applying apparatus and auxiliary device for processing slider | Kanji Kobayashi | 2002-03-26 |
| 6347003 | Multi-beam laser exposer unit | Takashi Shiraishi | 2002-02-12 |
| 6337757 | Multi-beam exposure unit | Takashi Shiraishi, Yasuyuki Fukutome | 2002-01-08 |