Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550046 | Catalyst for isobutylene production and method for producing isobutylene | Tatsuya Suzuki, Toshiya Yasukawa, Wataru Ninomiya, Ken Ooyachi | 2020-02-04 |
| 10464860 | Method for producing isobutylene from isobutanol | Toshiya Yasukawa, Tatsuya Suzuki, Wataru Ninomiya, Kenichi Miyaki, Ken Ooyachi +1 more | 2019-11-05 |
| 9840453 | Method for producing isobutylene, method for producing methacrylic acid, and method for producing methyl methacrylate | Shuji Akihara, Tatsuya Suzuki, Toshiya Yasukawa, Kenichi Miyaki, Ken Ooyachi | 2017-12-12 |
| 8173838 | Method for producing at least one of α, β-unsaturated aldehyde and α, β-unsaturated carboxylic acid | Yuji Fujimori, Seiichi Kawato | 2012-05-08 |
| 8022973 | Case and time recorder | — | 2011-09-20 |
| 7884239 | Catalyst for producing α,β-unsaturated carboxylic acid and method for preparation thereof, and method for producing α,β-unsaturated carboxylic acid | Yuji Fujimori, Wataru Ninomiya, Mai Kojima | 2011-02-08 |
| 7498462 | Process for producing α,β-unsaturated carboxylic acid | Yoshiyuki Himeno, Seiichi Kawato, Wataru Ninomiya | 2009-03-03 |
| D553513 | Time recorder | — | 2007-10-23 |
| 6097280 | Fault locator that uses positive-phase-sequence electricity | Yasuhiro Kurosawa | 2000-08-01 |
| 6095703 | Image recording apparatus utilizing serial recording head and sheet feed and image recording method therefor | Sohei Tanaka, Yasuhiro Numata | 2000-08-01 |
| 6002912 | Image forming apparatus with improved transport | — | 1999-12-14 |
| 5909226 | Apparatus for forming images | — | 1999-06-01 |
| 5892102 | Catalyst used in production of carboxylic acid esters and process for producing these esters | Yuji Mikami, Motomu Oh-Kita | 1999-04-06 |
| 5887994 | Bearing mechanism and ink jet recording apparatus having same | Akihiro Nomura | 1999-03-30 |
| 5870114 | Image recording apparatus with improved conveying system for recording medium | Yasuhiro Numata, Yoshiaki Takayanagi, Hideaki Takada, Tsuyoshi Ohtani | 1999-02-09 |
| 5602571 | Sheet feeding apparatus and recording system with it | Masashi Suda, Sohei Tanaka | 1997-02-11 |
| 5550570 | Ink jet cartridge mounting device and method | Mitsuru Kurata, Shinji Kanemitsu, Akihiro Nomura, Tokihide Ebata, Yasuo Miyauchi +2 more | 1996-08-27 |
| D358414 | Video printer | — | 1995-05-16 |
| 5370224 | Disc housing case | Toshio Karakane, Fujio Nagai, Hikaru Igarashi, Hisashi Kuma | 1994-12-06 |
| D343636 | Printer for a computer | Kazuhiro Horie | 1994-01-25 |
| 5177547 | Recording apparatus which uses the sheet ejection outlet as a sheet insertion inlet | Shinji Kanemitsu, Yasuo Miyauchi, Tokihide Ebata, Akihiro Nomura, Haruo Uchida +2 more | 1993-01-05 |
| 5138342 | Ink jet cartridge and ink jet recording apparatus employing the same | Mitsuru Kurata, Shinji Kanemitsu, Akihiro Nomura, Tokihide Ebata, Yasuo Miyauchi +2 more | 1992-08-11 |
| 5099995 | Disc housing case | Toshio Karakane, Fujio Nagai, Hikaru Igarashi, Hisashi Kuma | 1992-03-31 |
| D324534 | Function selector for a computer printer | Yatsutoshi Chiba | 1992-03-10 |
| D323850 | Printer for a computer | Akihiko Matsuo | 1992-02-11 |