Issued Patents All Time
Showing 76–100 of 122 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6876620 | Optical storage device | Fumihiro Tawa | 2005-04-05 |
| 6778355 | Glass composition, sealing glass for magnetic head and magnetic head using the same | Mikie Kanai, Hideo Torii, Tetsuya Kamimoto | 2004-08-17 |
| 6664496 | Plasma processing system | Yoshimi Watabe, Yoichiro Numasawa, Yukito Nakagawa | 2003-12-16 |
| 6639888 | Information reading and recording device for optical disk | — | 2003-10-28 |
| 6631050 | Sealing glass for magnetic head and magnetic head using the same | Tetsuya Kamimoto, Hideo Torii | 2003-10-07 |
| 6611488 | Optical head, optical part, and optical memory apparatus having controlled optical intensity | Wataru Odajima | 2003-08-26 |
| 6563781 | Optical information storage device and optical head | Wataru Odajima, Nobuhide Aoyama | 2003-05-13 |
| 6552966 | Recording head for optical recording system | Wataru Odajima, Fumihiro Tawa, Nobuhide Aoyama | 2003-04-22 |
| 6469838 | Illumination device having light intensity distribution converting elements | Fumihiro Tawa | 2002-10-22 |
| 6359851 | Optical information detection apparatus | Nobuhide Aoyama | 2002-03-19 |
| 6356395 | Light intensity distribution converting device and optical data storage apparatus | Fumihiro Tawa | 2002-03-12 |
| 6243334 | Information reading and writing device for optical disk | Hiroyasu Yoshikawa | 2001-06-05 |
| 6212152 | Optical information detection apparatus | Nobuhide Aoyama | 2001-04-03 |
| 6201229 | Light intensity converter | Fumihiro Tawa | 2001-03-13 |
| 6154434 | Optical head with both a servo signal and a Rf signal detecting elements fabricated on a single substrate | Motomichi Shibano | 2000-11-28 |
| 6124955 | Light beam scanning apparatus | Fumio Yamagishi, Masato Nakashima | 2000-09-26 |
| 6115349 | Two laser source optical pickup with a plano-convex lens to compensate for aberration caused by discs of different thicknesses | Fumihiro Tawa | 2000-09-05 |
| 6091544 | Light beam scanning apparatus | Shigeo Kayashima, Satoshi Maeda, Hirokazu Aritake | 2000-07-18 |
| 6059985 | Method of processing a substrate and apparatus for the method | Takanori Yoshimura, Shigeru Mizuno, Yoichiro Numasawa, Nobuyuki Takahashi | 2000-05-09 |
| 6040929 | Light beam scanning apparatus | Shigeo Kayashima, Satoshi Maeda, Hirokazu Aritake | 2000-03-21 |
| 6020999 | Light beam scanning apparatus | Shigeo Kayashima, Satoshi Maeda, Hirokazu Aritake | 2000-02-01 |
| 6020984 | Light beam scanning apparatus using a rotating hologram and a fixed hologram plate | Shigeo Kayashima, Satoshi Maeda, Hirokazu Aritake | 2000-02-01 |
| 6016765 | Plasma processing apparatus | Yoichiro Numasawa, Tsutomu Tsukada, Nobuyuki Takahashi | 2000-01-25 |
| 5995250 | Method for manufacturing light beam scanning apparatus | Shigeo Kayashima, Satoshi Maeda, Hirokazu Aritake | 1999-11-30 |
| 5985183 | Piezoresistance paste and mechanical sensor using the same | Yoshihiro Hori, Haruhiko Handa, Masaki Ikeda | 1999-11-16 |