Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667946 | Optical information recording medium | Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Yasuo Imanishi, Motoyasu Terao +1 more | 2003-12-23 |
| 6659005 | Screen printing method and screen printing apparatus | Naoichi Chikahisa, Yousuke Nagasawa, Takao Naito, Akihiko Wachi, Seishiro Yanachi +2 more | 2003-12-09 |
| 6590741 | Magnetic head having grooves to enhance contact with magnetic recording media and magnetic recording/reproducing apparatus | Kenji Hasegawa, Hiroyuki Hasegawa, Eisuke Sawai, Hiromi Takeda | 2003-07-08 |
| 6577472 | Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture | Hiroki Yamamoto, Takashi Namekawa, Takashi Naito, Yasutaka Suzuki, Akira Kato +4 more | 2003-06-10 |
| 6534206 | Information recording media and information recording drive | Fumiyoshi Kirino, Nobuyuki Inaba, Hiroki Yamamoto, Takashi Naitou, Eiji Koyama +3 more | 2003-03-18 |
| 6512655 | Magnetic head with sealing glass composition | Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Noriyuki Kumasaka, Kenkichi Inada | 2003-01-28 |
| 6503858 | Glass composition, structure, and apparatus using the same | Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Noriyuki Kumasaka, Kenkichi Inada | 2003-01-07 |