Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8519509 | Semiconductor device and manufacturing method thereof | Kosei Noda, Seiji Yasumoto, Kensuke Yoshizumi | 2013-08-27 |
| 8128497 | Game machine, game machine control method, information recording medium, and program | — | 2012-03-06 |
| 7706121 | Ion generator | Shinji Kato | 2010-04-27 |
| 7672768 | Operation assist apparatus | Junichi Narisawa, Kenichi Sagiya, Hidefumi Ishimoto, Sumio Morita, Kouichi Madarame +3 more | 2010-03-02 |
| 7336415 | Optical amplification module, optical amplification apparatus, and optical communications system | Motoki Kakui, Masahiro Takagi | 2008-02-26 |
| 7330302 | Optical transmission system | Masayuki Shigematsu, Masayuki Nishimura | 2008-02-12 |
| 7110648 | Analog optical transmission system | Tetsufumi Tsuzaki, Tatsuhiko Shitomi | 2006-09-19 |
| 6850318 | Polarization mode dispersion measuring device and polarization mode dispersion measuring method | Hiromasa Ito, Masato Yoshida, Koichiro Nakamura | 2005-02-01 |
| 6771864 | Optical fiber transmission line, optical cable, and optical transmission system | Yuji Kubo, Makoto Shimizu | 2004-08-03 |
| 6687443 | Optical fiber transmission line, optical cable, and optical transmission system | Yuji Kubo, Makoto Shimizu | 2004-02-03 |
| 6587029 | High-voltage variable resistor | — | 2003-07-01 |
| 5565219 | Bank quantity adjusting device for extruder | Takeshi Hatanaka, Toshio Ujihara | 1996-10-15 |
| 4691649 | Input device for sewing machine | Kunio Takano, Masanori Nukushina, Yoichi Okiyama | 1987-09-08 |
| 4665846 | Input device for sewing machine | Kunio Takano, Masanori Nukushina | 1987-05-19 |