Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11529569 | Column tube for chromatography, and column for chromatography employing same | Takafumi Onishi, Tsuyoshi Maruyama | 2022-12-20 |
| 9234881 | Sample detection method by thin-layer chromatography, thin-layer chromatography plate, and method for producing same | Toshiharu Minoda, Isamu Ikeda, Satoru Nose, Noriaki Takeya | 2016-01-12 |
| 7428008 | Video imaging device, video conversion device, and video edition device | Akihira Sakai | 2008-09-23 |
| RE38435 | Separating agent | Yoshio Okamoto, Koichi Hatada, Tohru Shibata, Hiroyuki Nakamura | 2004-02-24 |
| 6603363 | Oscillator and oscillator adjustment method with stepwise delay | Nobusuke Yamaoka, Takehiko Saito, Yasutaka Kotani, Kenji Nikata | 2003-08-05 |
| 5805469 | Digital audio signal processing apparatus and method for error concealment | Kazuhiko Ozawa, Isao Miyai, Shinji Nakamura | 1998-09-08 |
| 5604012 | Hollow fiber fabric and process for producing the same | Tsuguo Fujiwara, Hiroya Murase, Shigenobu Kobayashi | 1997-02-18 |
| 5539586 | Method and apparatus for recording digital data on a recording medium by recording ODD-numbered and even-numbered data segments and compressed digital data in distinct recording regions | Hajime Inoue | 1996-07-23 |
| 5493414 | Method of dubbing digital video signals | Hajime Inoue, Hiroyuki Ishimaru, Hisato Shima, Kazuyuki Ogawa, Masaki Oguro | 1996-02-20 |
| 5489387 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Tohru Shibata | 1996-02-06 |
| 5472599 | Separation agent comprising aliphatic or aromatic ester of polysaccharide | Tohru Shibata, Hajime Namikoshi | 1995-12-05 |
| 5440404 | Image signal compression apparatus and method using variable length encoding | — | 1995-08-08 |
| 5415780 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Tohru Shibata | 1995-05-16 |
| 5415769 | Separation agent comprising aliphatic or aromatic ester of polysaccharide | Tohru Shibata, Hajime Namikoshi | 1995-05-16 |
| 5368737 | Separation agent comprising acyl-or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Tohru Shibata | 1994-11-29 |
| 5334311 | Separation agent comprising aliphatic or aromatic ester of polysaccharide | Tohru Shibata, Hajime Namikoshi | 1994-08-02 |
| 5315445 | Audio signal recording apparatus and method for use with VTR | Kenji Fukumoto, Keitaro Yamashita | 1994-05-24 |
| 5268098 | Separation agent comprising aliphatic or aromatic ester of polysaccharide | Tohru Shibata, Hajime Namikoshi | 1993-12-07 |
| RE34457 | Separating agent | Yoshio Okamoto, Koichi Hatada, Tohru Shibata, Hiroyuki Nakamura | 1993-11-30 |
| 5260789 | Image memory device | — | 1993-11-09 |
| 5229002 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Nakikoshi, Tohru Shibata | 1993-07-20 |
| 5192444 | Separating with an agent comprising an aliphatic ester of a polysaccharide | Tohru Shibata, Hajime Namikoshi | 1993-03-09 |
| 5137638 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Tohru Shibata | 1992-08-11 |
| 5135653 | Optical resolution with .beta.-1,4-xylan dibenzoate | Yoshio Okamoto, Koichi Hatada, Tohru Shibata, Hajime Namikoshi | 1992-08-04 |
| 5089138 | Separating with an agent comprising an aliphatic ester of a polysaccharide | Tohru Shibata, Hajime Namikoshi | 1992-02-18 |