Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7209472 | Method of controlling change-over of connection route between media gateway apparatuses, and call agent apparatus | Seiji Tokunaga | 2007-04-24 |
| 6953388 | Polishing pad, and method and apparatus for polishing | Masaaki Shimagaki, Hisashi Minamiguchi | 2005-10-11 |
| 6584110 | Voice gateway and route selection | Yasuhiro Mizuta, Kazunori Umezaki, Tomoyuki Uekado, Yasuo Inoue | 2003-06-24 |
| 5949862 | Traffic measuring apparatus and method | Yohji Fukuzawa, Koji Kawase, Yasushi Shigesada, Kazuya Nishimura, Koji Kuriki | 1999-09-07 |
| 5315752 | Method for press fitting of a press fitting body and a press fitting apparatus having a linear gauge for the press fitting body | Masami Shimizu, Kazuo Niijima, Yasushi Kawakami | 1994-05-31 |
| 5057369 | Heatsettable artificial hair and production thereof | Shinji Yamaguchi, Katsura Maeda, Masao Kawamoto | 1991-10-15 |
| 4788731 | Mattress | Shinji Yokoi, Kimitaka Naitoh | 1988-12-06 |