Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7310351 | Method and apparatus for translating protocol | Yutaro Asano, Koji Tanaka | 2007-12-18 |
| 7301963 | Method and device for data relaying | Yutaro Asano, Koji Tanaka | 2007-11-27 |
| 7020084 | Communication system, a communication method and communication terminal | Koji Tanaka, Masahiro Hayashi, Koji Hirayama | 2006-03-28 |
| 6973076 | Mobile communication network, terminal equipment, packet communication control method, and gateway | Yukiko Takeda, Hidenori Inouchi, Takumi Oishi | 2005-12-06 |
| 6879592 | Switching system and switching control method | Koji Hirayama, Akio Kawase, Shinichi Iwaki | 2005-04-12 |
| 6731621 | Mobil communication system for providing IP packet communications and method for routing IP packets | Mika Mizutani, Susumu Matsui, Toshiya Ouchi, Koji Hirayama, Keisuke Shirai | 2004-05-04 |
| 6445119 | Combined light emitting discharge lamp and luminaire using such lamp | Toshio Mori, Hiromi Tanaka, Kenji Mukai, Toru Higashi, Tetsuji Takeuchi +2 more | 2002-09-03 |
| 6234869 | Machine control gage system | Hiroyuki Kobayashi | 2001-05-22 |
| 5617267 | Servo data writing apparatus for supporting the free end of a rotating shaft in a magnetic disk device and method of writing servo data | Seiji Kawagoe, Kazuhiko Iwase | 1997-04-01 |
| 5525860 | Plant growing 4 phosphor fluorescent lamp having a photon flux ratio of from 0.8 to 1.0 for light in the 600 NM-700 NM and 700 NM-800 NM bands | Kimitoshi Horaguchi, Masaaki Morita, Katsusuke Murakami, Ichiro Aiga | 1996-06-11 |
| 5410540 | Shared-buffer-type ATM switch having copy function and copy method thereof | Kiyoshi Aiki, Takahiko Kozaki, Noboru Endo | 1995-04-25 |
| 5124618 | Shatter-proof fluorescent lamp | Yoshinori Ohtaka, Toyokazu Amano, Mutsuo Takahashi, Shigeru Kamiya | 1992-06-23 |
| 4705986 | High color rendering fluorescent lamp | Katsuaki Iwama, Mutsuo Takahashi | 1987-11-10 |
| 4700247 | Loading/ejecting apparatus for floppy disc | — | 1987-10-13 |
| 4656542 | Device for loading and ejecting a floppy disk into and from a magnetic disk drive | — | 1987-04-07 |
| 4562498 | Loading/ejecting device for a magnetic disk | — | 1985-12-31 |