Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312192 | Sheet feeding device and image forming system incorporating the sheet feeding device | Kazunori Konno, Hidetoshi Kojima, Tomoyuki Okada, Tatsuya Sugawara, Yusuke HIRONO | 2025-05-27 |
| 9126783 | Image forming apparatus | Naoki Oikawa, Yukihiko Natsui, Munehisa Fuda, Ryuhei Waragai, Yusaku Matsumoto +2 more | 2015-09-08 |
| 7679702 | Liquid crystal display device and liquid crystal display apparatus using liquid crystal display device | Hideo Oura, Takuya Kakinuma | 2010-03-16 |
| 7577232 | Medical X-ray imaging apparatus and X-ray detector for using the same | Akifumi Tachibana, Takahiro Yoshimura, Masakazu Suzuki | 2009-08-18 |
| 7430288 | Exchange and conference communication method therefor | — | 2008-09-30 |
| 7421059 | X-ray computer tomography apparatus | Masakazu Suzuki, Takahiro Yoshimura, Masanori Otsuka, Hideki Yoshikawa | 2008-09-02 |
| 6169780 | X-ray apparatus with improved patient access | Takahiro Yoshimura, Masanori Otsuka | 2001-01-02 |
| 6115315 | Semiconductor memory device adapted for large capacity and high-speed erasure | — | 2000-09-05 |
| 5980248 | Motor controller for a dental handpiece | Hiroaki Kusakabe, Kazunari Matoba | 1999-11-09 |
| 5959887 | Electrically erasable programmable nonvolatile semiconductor memory having dual operation function | Nobuaki Takashina | 1999-09-28 |
| 5902105 | Dental treatment apparatus with a root canal length measurement function | Yoshio Uejima, Kazunari Matoba, Masaru Okumura, Ryozo Koyama | 1999-05-11 |
| 5897315 | Handpiece having a root canal length measurement function | Shozo Nakayama, Hiroaki Kusakabe, Kazunari Matoba | 1999-04-27 |
| 5701274 | Semiconductor device with selectable device information | Takao Akaogi | 1997-12-23 |
| 5642308 | Nonvolatile semiconductor memory apparatus | — | 1997-06-24 |
| 5590074 | Nonvolatile semiconductor memory | Takao Akaogi, Yasushige Ogawa, Yasushi Kasa, Shouichi Kawamura | 1996-12-31 |
| 5572463 | Nonvolatile semiconductor memory with pre-read means | Takao Akaogi, Yasushige Ogawa, Yasushi Kasa, Shouichi Kawamura | 1996-11-05 |
| 5537356 | Nonvolatile semiconductor memory | Takao Akaogi, Yasushige Oqawa, Yasushi Kasa, Shouichi Kawamura | 1996-07-16 |
| 5490107 | Nonvolatile semiconductor memory | Takao Akaogi, Yasushige Ogawa, Yasushi Kasa, Shouichi Kawamura | 1996-02-06 |
| 5487036 | Nonvolatile semiconductor memory | Takao Akaogi, Yasushige Ogawa, Yasushi Kasa, Shouichi Kawamura | 1996-01-23 |
| 5467310 | EEPROM and EEPROM reading method | Kiyonori Ogura | 1995-11-14 |
| 5237530 | Frasable non-volatile semiconductor memory device having read/write test function | Nobuaki Takashina, Takao Akaogi | 1993-08-17 |
| 5149990 | Semiconductor device for preventing malfunction caused by a noise | Hirokazu Yamazaki | 1992-09-22 |
| 5059825 | Nand gate circuit | — | 1991-10-22 |
| 5017803 | Power supply potential rising detection circuit | — | 1991-05-21 |
| 5018107 | Semiconductor memory device | — | 1991-05-21 |