Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819626 | Semiconductor integrated circuit device | Yuichi Okuda, Yoshinobu Nakagome, Hideharu Yahata, Hiroki Miyashita | 2004-11-16 |
| 6731101 | Modulation semiconductor integrated circuit device and testing method for oscillation circuit | Hirokazu Miyagawa, Katsumi Yamamoto, Tatsuji Matsuura | 2004-05-04 |
| 6639933 | Phase-locked loop circuit and radio communication apparatus using the same | Taizo Yamawaki, Tomio Furuya, Kazuo Watanabe, Julian Hildersley | 2003-10-28 |
| 6594197 | Semiconductor integrated circuit device | Yuichi Okuda, Yoshinobu Nakagome, Hideharu Yahata, Hiroki Miyashita | 2003-07-15 |
| 6535070 | Variable frequency oscillator, and phase locked loop and clock synchronizer using thereof | Changku Hwang | 2003-03-18 |
| 6515519 | Semiconductor integrated circuit device | Masayuki Miyazaki, Ken Tatezawa, Kiwamu Takada, Kunio Uchiyama, Osamu Nishii +2 more | 2003-02-04 |
| 6489824 | Timing-control circuit device and clock distribution system | Masayuki Miyazaki, Koichiro Ishibashi, Takeshi Sakata, Satoru Hanzawa, Hiroyuki Mizuno +2 more | 2002-12-03 |
| 6463008 | Semiconductor integrated circuit device | Yuichi Okuda, Yoshinobu Nakagome, Hideharu Yahata, Hiroki Miyashita | 2002-10-08 |
| 6377511 | Semiconductor integrated circuit device | Yuichi Okuda, Yoshinobu Nakagome, Hideharu Yahata, Hiroki Miyashita | 2002-04-23 |
| 6324219 | Phase-locked loop circuit and radio communication apparatus using the same | Taizo Yamawaki, Tomio Furuya, Kazuo Watanabe, Julian Hildersley | 2001-11-27 |
| 6300807 | Timing-control circuit device and clock distribution system | Masayuki Miyazaki, Koichiro Ishibashi, Takeshi Sakata, Satoru Hanzawa, Hiroyuki Mizuno +2 more | 2001-10-09 |
| 6215364 | Variable frequency oscillator, and phase locked loop and clock synchronizer using thereof | Changku Hwang | 2001-04-10 |
| 6163585 | Phase-locked loop circuit and radio communication apparatus using the same | Taizo Yamawaki, Tomio Furuya, Kazuo Watanabe, Julian Hildersley | 2000-12-19 |
| 5966407 | Bus driving system and integrated circuit device using the same | Mitsuru Hiraki, Hirotsugu Kojima, Takafumi Kikuchi, Yuji Hatano, Kouki Noguchi +1 more | 1999-10-12 |
| 5574455 | Digital to analog converter and frequency synthesizer using the converter | Kazuyuki Hori | 1996-11-12 |
| 5446767 | Frequency synthesizer | Jun'ichi Nakagawa, Michiaki Kurosawa | 1995-08-29 |
| 5331583 | Running-average/decimation filter for an oversampling A/D converter | Hirotaka Hara, Yukihito Ishihara | 1994-07-19 |
| 5327459 | Semiconductor integrated circuit containing an automatic equalizer including a circuit for periodically updating a plurality of tap coefficients at varying frequencies | Hirotaka Hara, Toshiro Suzuki | 1994-07-05 |
| 5311503 | Terminal apparatus for full-duplex data transmission having an echo canceller | Motohiro Kokumai | 1994-05-10 |
| 5305379 | Semiconductor integrated device | Yusuke Takeuchi, Keizo Yabuta, Atuko Kenmoku, Kazuo Okado | 1994-04-19 |
| 5097488 | Transmission apparatus and method | Haruo Kamimaki, Hirotaka Hara, Toshiro Suzuki, Motohiro Kokumai | 1992-03-17 |
| 5018134 | Method for cancelling echo in a transmitter and an apparatus therefor | Tatsuko Shinotsuka, Tatsuya Kameyama, Motohiro Kokumai, Hirotaka Hara | 1991-05-21 |
| 4896318 | Method for cancelling echo in a transmitter and an apparatus therefor | Tatsuko Shinotsuka, Tatsuya Kameyama, Motohiro Kokumai, Hirotaka Hara | 1990-01-23 |
| 4796296 | PCM coder and decoder having function of two-wire/four-wire conversion | Eiichi Amada, Kazuo Yamakido, Takahiko Kozaki, Shigeo Nishita | 1989-01-03 |
| 4672361 | Linear interpolative analog-to-digital converter | Shigeo Nishida, Kazuo Yamakido | 1987-06-09 |