Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE45857 | External storage device and memory access control method thereof | Takayuki Tamura, Shigemasa Shiota, Kunihiro Katayama | 2016-01-19 |
| 9007830 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Shigemasa Shiota | 2015-04-14 |
| 8503235 | Nonvolatile memory with faulty cell registration | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Shigemasa Shiota | 2013-08-06 |
| 8467471 | Coding and modulation selecting method and wireless communication equipment | Takashi Yano, Takehiko Kobayashi | 2013-06-18 |
| 8451923 | MIMO transmission mode selecting method and wireless communication equipment | Takashi Yano, Takehiko Kobayashi | 2013-05-28 |
| 8111778 | Method for suppressing peak power of orthogonally multiplex signal, peak power suppressing circuit, and transmitter | Takashi Yano, Shigenori Hayase | 2012-02-07 |
| 8064257 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Shigemasa Shiota | 2011-11-22 |
| 7953179 | Peak suppressing OFDM transmitter | — | 2011-05-31 |
| 7721165 | External storage device and memory access control method thereof | Takayuki Tamura, Shigemasa Shiota, Kunihiro Katayama | 2010-05-18 |
| 7696761 | Spectrum analyzing method, distortion detector and distortion compensation amplifying device | Tetsuhiko Miyatani, Naoki Hongo, Takashi Okazaki | 2010-04-13 |
| 7616485 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Shigemasa Shiota | 2009-11-10 |
| 7529313 | Distortion compensation quadrature modulator and radio transmitter | Yasuhiro Takeuchi, Takashi Okada | 2009-05-05 |
| 7418070 | Signal generator | — | 2008-08-26 |
| 7234087 | External storage device and memory access control method thereof | Takayuki Tamura, Shigemasa Shiota, Kunihiro Katayama | 2007-06-19 |
| 7042935 | Equalizer and equalization method | Nobuaki Kawahara | 2006-05-09 |
| 6999788 | Radio transmitter that determines proper standard | Yasuhiro Takeda | 2006-02-14 |
| 6888393 | Amplitude limiting apparatus and multi-carrier signal generating apparatus | — | 2005-05-03 |
| 6728138 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Shigemasa Shiota | 2004-04-27 |
| 6701471 | External storage device and memory access control method thereof | Takayuki Tamura, Shigemasa Shiota, Kunihiro Katayama | 2004-03-02 |
| 6694460 | Semiconductor memory device having deterioration determining function | Kunihiro Katayama, Takayuki Tamura, Shigemasa Shiota | 2004-02-17 |
| 6662002 | Frequency conversion circuit and transmitter | Mitsuo Kubo | 2003-12-09 |
| 6542405 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Shigemasa Shiota | 2003-04-01 |
| 6388920 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Shigemasa Shiota | 2002-05-14 |
| 6317371 | Storage device with an error correction unit and an improved arrangement for accessing and transferring blocks of data stored in a non-volatile semiconductor memory | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Shigemasa Shiota | 2001-11-13 |
| 6236601 | Semiconductor memory device having faulty cells | Kunihiro Katayama, Takayuki Tamura, Satoshi Watatani, Kiyoshi Inoue, Shigemasa Shiota | 2001-05-22 |