Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6757192 | Magnetic recording element, magnetic memory, magnetic recording method, method for fabricating a magnetic recording element, and method for fabricating a magnetic memory | Koichi Mukasa, Makoto Sawamura, Kazuhisa Sueoka, Eiichi Hirota, Ryosho Nakane | 2004-06-29 |
| 6748769 | Method of producing glass particles deposit | Toshihiro Ooishi, Yuichi Ohga, Yoshio Yokoyama | 2004-06-15 |
| 6725690 | Burner for synthesizing glass particles and method for producing porous glass body | Tadashi Enomoto, Yuichi Ohga, Nobuya Akaike, Haruhiko Aikawa, Takashi Matsuo | 2004-04-27 |
| 6705772 | Optical fiber splicing method and optical fiber | Osamu Kasuu, Daisuke Yokota, Yuichi Ohga | 2004-03-16 |
| 6666591 | Method for connecting optical fibers | Eisuke Sasaoka, Osamu Kasuu | 2003-12-23 |
| 6550985 | Method of splicing two optical fibers | Yuichi Ohga | 2003-04-22 |
| 6522821 | Dispersion-compensating optical fiber and optical transmission system including the same | Masaaki Hirano, Takatoshi Kato | 2003-02-18 |
| 6324871 | Process for producing optical fiber preform | Yuichi Ohga, Toshio Danzuka | 2001-12-04 |
| 5597398 | Process for producing glass preform for optical fiber | Shinji Ishikawa, Yoshiki Chigusa, Yoshinori Makio, Morio Watanabe | 1997-01-28 |
| 5585137 | Apparatus and method of manufacturing fiber | Toshio Danzuka, Akira Inoue, Haruhiko Aikawa | 1996-12-17 |