Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6853784 | Optical fiber | Makoto Shimizu, Kazuya Kuwahara | 2005-02-08 |
| 6771864 | Optical fiber transmission line, optical cable, and optical transmission system | Makoto Shimizu, Toshiyuki Miyamoto | 2004-08-03 |
| 6748152 | Optical transmission system | Masashi Onishi, Takatoshi Kato | 2004-06-08 |
| 6743099 | Video game machine, player character action control method, and video game program | Makoto Yabe, Hiroki Satoyoshi | 2004-06-01 |
| 6711335 | Heat resistant optical fiber core | Makoto Shimizu, Tomoyuki Hattori, Katsuyuki Tsuneishi | 2004-03-23 |
| 6687443 | Optical fiber transmission line, optical cable, and optical transmission system | Makoto Shimizu, Toshiyuki Miyamoto | 2004-02-03 |
| 6669532 | Device and method for cool air cooling type machining | Ryohei Mukai, Mamoru Katsuta, Takayuki Yoshimi, Koji Nishi, Naoto Ono +4 more | 2003-12-30 |
| 6567596 | Optical fiber suitable for use in WDM transmission system | Takatoshi Kato, Masashi Onishi | 2003-05-20 |
| 6490397 | Optical fiber | Takatoshi Kato, Masashi Onishi | 2002-12-03 |
| 6465099 | Vinyl chloride fiber and process of producing the same | Kazumasa Yamane, Hiroshi Yokoyama, Ikuo Okino | 2002-10-15 |
| 6328636 | Device and method for machining in which cool air cooling is used | Takayuki Yoshimi, Naoto Ono, Ryohei Mukai, Yasunori Kobayashi, Masaaki Sato +2 more | 2001-12-11 |
| 6312804 | Vinyl chloride fibers and process for preparing the same | Kazumasa Yamane, Hiroshi Yokoyama, Ikuo Okino | 2001-11-06 |
| 5811495 | Esteramide copolymers and production thereof | Isamu Kirikihira, Hiroshi Yamakawa | 1998-09-22 |
| 5760143 | Ester-amide block copolymer and process for producing same | Hiroshi Yamakawa, Isamu Kirikihira, Shinji Shimosato | 1998-06-02 |
| 5559921 | Single mode optical fiber | Yoshiaki Terasawa | 1996-09-24 |
| 4990433 | Metal-containing indoaniline compound and optical recording medium employing the compound | Katsuhira Yoshida | 1991-02-05 |
| 4873332 | Metal-containing indoaniline compound and optical recording medium employing the compound | Katsuhira Yoshida | 1989-10-10 |
| 4761542 | Automatic money receiving and paying method and apparatus | Eiichi Ise, Seietu Takahashi | 1988-08-02 |