Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9640272 | Semiconductor device control circuit and method thereof | — | 2017-05-02 |
| 9589657 | Internal power supply voltage auxiliary circuit, semiconductor memory device and semiconductor device | Akira Ogawa | 2017-03-07 |
| 9484341 | Mom capacitor circuit and semiconductor device thereof | Shozo Kawabata | 2016-11-01 |
| 9397562 | Negative reference voltage generating circuit and system thereof | Hideki Arakawa, Teruaki Maeda | 2016-07-19 |
| 9285821 | Negative reference voltage generating circuit and negative reference voltage generating system using the same | Teruaki Maeda | 2016-03-15 |
| 8824206 | Non-volatile semiconductor memory device and readout method thereof | Masayuki Oishi | 2014-09-02 |
| 7630243 | Semiconductor memory device | Kaoru Yamamoto, Naoki Ueda, Yoshimitsu Yamauchi | 2009-12-08 |
| 7283391 | Semiconductor memory device | Naoki Ueda, Yoshimitsu Yamauchi | 2007-10-16 |
| 7224611 | Virtual ground line type memory device with high speed readout circuit | Kaoru Yamamoto, Yoshimitsu Yamauchi | 2007-05-29 |
| 7075873 | Optical disc apparatus with disc selecting function | — | 2006-07-11 |
| 7057944 | Semiconductor readout circuit | Kaoru Yamamoto, Yoshimitsu Yamauchi | 2006-06-06 |
| 6744667 | BIT LINE CONTROL DECODER CIRCUIT, VIRTUAL GROUND TYPE NONVOLATILE SEMICONDUCTOR STORAGE DEVICE PROVIDED WITH THE DECODER CIRCUIT, AND DATA READ METHOD OF VIRTUAL GROUND TYPE NONVOLATILE SEMICONDUCTOR STORAGE DEVICE | Kaoru Yamamoto | 2004-06-01 |
| 6643175 | Nonvolatile semiconductor storage device and test method therefor | Yoshimitsu Yamauchi | 2003-11-04 |
| 6639089 | Anticancer agents, perfumes or foods and drinks | Hiroyuki Tsuji, Yoshio Fukuda | 2003-10-28 |
| 6600070 | Methods for making 2-(&ohgr;-alkoxycarbonylalkanoyl)-4-butanolide, ester of &ohgr;-hydroxy-(&ohgr;-3)-ketoaliphatic acid, and derivatives thereof | Hideaki Takaoka, Sigeru Wada, Akio Hasebe, Shinzo Imamura, Hideo Muraoka | 2003-07-29 |
| 6528668 | Methods for making 2-(&ohgr;-alkoxycarbonylalkanoyl)-4-butanolide, ester of &ohgr;-hydroxy-(&ohgr;-3)-ketoaliphatic acid, and derivatives thereof | Hideaki Takaoka, Sigeru Wada, Akio Hasebe, Shinzo Imamura, Hideo Muraoka | 2003-03-04 |
| 6525207 | Process for preparing epoxy compounds, aromatic compositions containing the same | Motoo Higashi, Yuki Konno, Hideaki Takaoka | 2003-02-25 |
| 6512692 | Nonvolatile semiconductor storage device and test method therefor | Yoshimitsu Yamauchi | 2003-01-28 |
| 6475133 | Methods for making 2-(&ohgr;-alkoxycarbonylalkanoyl)-4-butanolide, ester of omega-hydroxy-(&ohgr;-3)-ketoaliphatic acid, and derivatives thereof | Hideaki Takaoka, Sigeru Wada, Akio Hasebe, Shinzo Imamura, Hideo Muraoka | 2002-11-05 |
| 6438035 | Nonvolatile semiconductor storage device | Kaoru Yamamoto, Yoshimitsu Yamauchi | 2002-08-20 |
| 6340020 | Stroke identifying unit of a four-stroke engine | Ryutaro Yamazaki, Yasuo Iwata | 2002-01-22 |
| 6291688 | Processes for preparing 2-(omega-alkoxycarbonylalkanoyl)-4- butanolides omega-hydroxy-(omega-3)-keto fatty esters, and derivatives thereof | Hideaki Takaoka, Sigeru Wada, Akio Hasebe, Shinzo Imamura, Hideo Muraoka | 2001-09-18 |
| 6222049 | 2-(.omega.-alkoxycarbonyl alkanoyl)-4-butanolide | Tetsuya Katou, Go Hata, Takeaki Etoh | 2001-04-24 |
| 6170322 | Stroke identifying unit of a four-stroke engine | Ryutaro Yamazaki, Yasuo Iwata | 2001-01-09 |
| 5808106 | Method for producing 2-(.omega.-alkoxycarbonyl alkanoyl)-4-butanolide and a long-chain .omega.-hydroxycarboxylic acid | Tetsuya Katou, Go Hata, Takeaki Etoh | 1998-09-15 |