Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7661187 | Manufacturing method for magnetic disk drive | Masato Taniguchi, Kaoru Umemura | 2010-02-16 |
| 7457067 | Method of controlling a recording current, and magnetic disk device | Yumi Nagano, Toyomi Ohsawa, Masato Taniguchi | 2008-11-25 |
| 6798598 | Method for controlling write current to a write head during data write on a hard disk | Hiroaki Suzuki, Hideo Asano, Yumi Nagano, Masaomi Ikeda, Masashi Murai | 2004-09-28 |
| 6794909 | Output circuit of semiconductor device having adjustable driving capability | Aki Urakami | 2004-09-21 |
| 6611571 | Apparatus and method for demodulating an angle-modulated signal | — | 2003-08-26 |
| 6545934 | Semiconductor memory device having configuration suited for high integration | Takekazu Yamashita | 2003-04-08 |
| 6423815 | Layer insulating film for multilayer interconnection, resin used therefor and process for producing the same | Maki Tokuhiro, Hidenori Saito, Saiko Yoshihashi | 2002-07-23 |
| 6345005 | Integrated circuit with efficient testing arrangement | Aki Urakami | 2002-02-05 |
| 6204356 | Polybenzoxazole resin and precursor thereof | Hidenori Saito, Tsuyoshi Watanabe, Maki Tokuhiro | 2001-03-20 |
| 6127694 | Semiconductor wafer and method of manufacturing the same, and semiconductor device and test board of the same | — | 2000-10-03 |
| 6114866 | Semiconductor device test board and method for evaluating semiconductor devices | Masaaki Matsuo, Tsuyoshi Saitoh, Takekazu Yamashita, Akira Kitaguchi, Hideki Toki | 2000-09-05 |
| 6043522 | Field effect transistor array including doped two-cell isolation region for preventing latchup | Makoto Hatakenaka, Akira Kitaguchi, Kiyoyuki Shiroshima, Takekazu Yamashita, Masaaki Matsuo | 2000-03-28 |
| 6040614 | Semiconductor integrated circuit including a capacitor and a fuse element | Akira Kitaguchi, Makoto Hatakenaka, Kaoru Motonami, Kiyoyuki Shiroshima, Takekazu Yamashita | 2000-03-21 |
| 5999574 | Digital filter system, carrier reproduction circuit using the digital filter system, and demodulation circuit using the carrier reproduction circuit | Weimin Sun, Hirofumi Yamauchi | 1999-12-07 |
| 5973953 | Semiconductor memory device having improved bit line structure | Takekazu Yamashita, Kiyoyuki Shiroshima, Makoto Hatakenaka, Hideki Toki, Tuyoshi Saitoh | 1999-10-26 |
| 5926429 | Semiconductor memory device and method of refreshing semiconductor memory device | Tsuyoshi Saitoh, Kiyoyuki Shiroshima, Masaaki Matsuo, Nobuyuki Fujii, Akira Kitaguchi | 1999-07-20 |
| 5856934 | Digital filter system | Weimin Sun | 1999-01-05 |
| 5831488 | Digital phase modulator formed with a fixed-point digital signal processor | Weimin Sun | 1998-11-03 |
| 5754355 | Disk drive apparatus and read error recovery method in a disk drive apparatus | Takashi Nakamura, Isao Yoneda, Yuji Yokoe, Kazushi Tsuwako, Fujio Harako +2 more | 1998-05-19 |
| 5696643 | Disk drive apparatus and read error recovery method in a disk drive apparatus | Kazushi Tsuwako, Fujio Harako, Katsumi Suda, Isao Yoneda, Kenji Ogasawara | 1997-12-09 |
| 5353253 | Semiconductor memory device | — | 1994-10-04 |
| 5349555 | Redundancy circuit | — | 1994-09-20 |
| 5293346 | Simplified serial selection circuit for serial access in semiconductor memory and operating method thereof | Yukio Miyazaki | 1994-03-08 |