Issued Patents All Time
Showing 101–125 of 130 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6577472 | Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture | Hiroki Yamamoto, Takashi Namekawa, Yasutaka Suzuki, Akira Kato, Noriyuki Takeo +4 more | 2003-06-10 |
| 6512655 | Magnetic head with sealing glass composition | Hiroki Yamamoto, Takashi Namekawa, Ken Takahashi, Noriyuki Kumasaka, Kenkichi Inada | 2003-01-28 |
| 6503858 | Glass composition, structure, and apparatus using the same | Hiroki Yamamoto, Takashi Namekawa, Ken Takahashi, Noriyuki Kumasaka, Kenkichi Inada | 2003-01-07 |
| 6478596 | Semiconductor component mounting apparatus | Kenji Yoshida, Shigeru Murayama, Katsuhiko Sakamoto, Takashi Masaki | 2002-11-12 |
| 6440517 | Glass material | Hiroki Yamamoto, Takashi Namekawa, Yasutaka Suzuki, Ken Takahashi, Motoyasu Terao +1 more | 2002-08-27 |
| 6411591 | Optical recording medium and optical memory device | Koichi Moritani, Akemi Hirotsune, Motoyasu Terao, Yasushi Miyauchi, Toshimichi Shintani +2 more | 2002-06-25 |
| 6398570 | Semiconductor component mounting apparatus | Kenji Yoshida, Shigeru Murayama, Katsuhiko Sakamoto, Takashi Masaki | 2002-06-04 |
| 6246854 | Toner cartridge and method using the toner cartridge for feeding a predetermined amount of toner | Eiji Kurosawa, Katsumi Yawata | 2001-06-12 |
| D443636 | Toner cartridge | Eiji Kurosawa, Minoru Endo, Katsumi Yawata | 2001-06-12 |
| 6226477 | Toner cartridge having separable parts and recording apparatus with toner cartridge | Eiji Kurosawa, Katsumi Yawata | 2001-05-01 |
| 6184698 | Semiconductor component mounting apparatus | Kenji Yoshida, Shigeru Murayama, Katsuhiko Sakamoto, Takashi Masaki | 2001-02-06 |
| 6177169 | Optical information recording medium | Hiroki Yamamoto, Takashi Namekawa, Yasutaka Suzuki, Ken Takahashi, Motoyasu Terao +1 more | 2001-01-23 |
| 6150027 | Glass composition, structure, and apparatus using the same | Hiroki Yamamoto, Takashi Namekawa, Ken Takahashi, Noriyuki Kumasaka, Kenkichi Inada | 2000-11-21 |
| 6136401 | Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording information | Hiroki Yamamoto, Takashi Namekawa, Ken Takahashi, Masahiro Watanabe, Noriyuki Takeo | 2000-10-24 |
| D422626 | Toner cartridge with printing device | Eiji Kurosawa, Katsumi Yawata, Kenji Shioya | 2000-04-11 |
| 6040029 | Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording information | Hiroki Yamamoto, Takashi Namekawa, Ken Takahashi, Masahiro Watanabe, Noriyuki Takeo | 2000-03-21 |
| 5985401 | Optical information recording medium | Hiroki Yamamoto, Takashi Namekawa, Yasutaka Suzuki, Ken Takahashi, Motoyasu Terao +1 more | 1999-11-16 |
| 5867477 | Optical disk with snap-fit magnetized hub | Shizuo Arai | 1999-02-02 |
| 5859831 | Disk cartridge | Tamotsu Maeda | 1999-01-12 |
| 5559609 | Facsimile transceiver | Hiroyuki Yamada, Minoru Ichimura | 1996-09-24 |
| 5355121 | Alarm device for magneto-optical disc drive unit | Susumu Tosaka | 1994-10-11 |
| 5258971 | Optical disc drive with interconnecting hoods | Hiroshi Yamamoto | 1993-11-02 |
| 5239434 | Magnetic head, bonding glass used therefor and magnetic recording and reproducing apparatus | Takashi Namekawa, Kunihiro Maeda, Yasutaka Suzuki, Kouji Arikawa, Tsukasa Ohata | 1993-08-24 |
| 5128923 | Disc cartridge for cleaning an objective lens | Hiroyuki Hasegawa, Mineaki Suzuki, Hironari Hoshino | 1992-07-07 |
| 4785444 | Optical recording disc | Yasuaki Nakane, Kazumine Ito, Sanae Abe | 1988-11-15 |