Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443807 | Polishing process for use in method of fabricating semiconductor device | Yasuaki Tsuchiya | 2002-09-03 |
| 6442313 | Optical fiber grating and manufacturing method thereof | Ryozo Yamauchi, Akira Wada, Nobuyuki Tanaka, Kensuke Shima, Kenji Nishide +1 more | 2002-08-27 |
| 6419962 | External skin treatment composition | Mineyuki Yokoyama, Hiroyuki Tsukada, Shoko Yamaguchi, Yumiko Suzuki, Yasukazu Nakayama +2 more | 2002-07-16 |