Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE47844 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Sadashi Kageyama, Takao Isogawa, Hisashi Takayama | 2020-02-04 |
| RE46775 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Sadashi Kageyama, Takao Isogawa, Hisashi Takayama | 2018-04-03 |
| RE45784 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Sadashi Kageyama, Takao Isogawa, Hisashi Takayama | 2015-10-27 |
| RE45758 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Sadashi Kageyama, Takao Isogawa, Hisashi Takayama | 2015-10-13 |
| RE45737 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Sadashi Kageyama, Takao Isogawa, Hisashi Takayama | 2015-10-06 |
| RE45706 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Sadashi Kageyama, Takao Isogawa, Hisashi Takayama | 2015-09-29 |
| RE45663 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Sadashi Kageyama, Takao Isogawa, Hisashi Takayama | 2015-09-01 |
| RE45662 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Sadashi Kageyama, Takao Isogawa, Hisashi Takayama | 2015-09-01 |
| RE45654 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Sadashi Kageyama, Takao Isogawa, Hisashi Takayama | 2015-08-11 |
| RE45218 | OFDM signal transmission system, portable terminal and E-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Sadashi Kageyama, Takao Isogawa, Hisashi Takayama | 2014-10-28 |
| RE42643 | Communication system | Mitsuaki Oshima | 2011-08-23 |
| 7809407 | OFDM signal transmission system, portable terminal, and e-commerce system | Mitsuaki Oshima, Kenichiro Hayashi, Sadashi Kageyama, Takao Isogawa, Hisashi Takayama | 2010-10-05 |
| 7689163 | Transmission apparatus and reception apparatus | Hidenori Tatsumi, Eiji Ueda | 2010-03-30 |
| RE41001 | Communication system | Mitsuaki Oshima | 2009-11-24 |
| RE40978 | Communication system | Mitsuaki Oshima | 2009-11-17 |
| RE40779 | Communication system | Mitsuaki Oshima | 2009-06-23 |
| RE40701 | Communication system | Mitsuaki Oshima | 2009-04-14 |
| RE40256 | Communication system | Mitsuaki Oshima | 2008-04-22 |
| RE40255 | Communication system | Mitsuaki Oshima | 2008-04-22 |
| RE40242 | Communication system | Mitsuaki Oshima | 2008-04-15 |
| RE40241 | Communication system | Mitsuaki Oshima | 2008-04-15 |
| RE40206 | Communication system | Mitsuaki Oshima | 2008-04-01 |
| RE40175 | Communication system | Mitsuaki Oshima | 2008-03-25 |
| RE40174 | Communication system | Mitsuaki Oshima | 2008-03-25 |
| RE40134 | Communication system | Mitsuaki Oshima | 2008-03-04 |