Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D777256 | Mechanical pencil | — | 2017-01-24 |
| 9434822 | Block copolymer, micelle preparation, and anticancer agent containing the same as active ingredient | Keizou Ishikawa, Takeshi Nakanishi | 2016-09-06 |
| D698390 | Mechanical pencil | — | 2014-01-28 |
| D665024 | Mechanical pencil | — | 2012-08-07 |
| D648799 | Correction tape transcriber | — | 2011-11-15 |
| D648798 | Correction pen | — | 2011-11-15 |
| D630247 | Mechanical pencil | — | 2011-01-04 |
| 7820759 | Micellar preparation containing sparingly water-soluble anticancer agent and novel block copolymer | Toshitaka Murata, Katsuhiko Sagawa | 2010-10-26 |
| D611535 | Mechanical pencil | — | 2010-03-09 |
| D597600 | Ballpoint pen | — | 2009-08-04 |
| D587752 | Ballpoint pen | — | 2009-03-03 |
| D584356 | Cap for electronic pen | — | 2009-01-06 |
| D580979 | Cap for a writing instrument | — | 2008-11-18 |
| D576676 | Ballpoint pen | — | 2008-09-09 |
| D575338 | Ballpoint pen | — | 2008-08-19 |
| D569437 | Cap for writing instrument | — | 2008-05-20 |
| D549779 | Grip for a writing instrument | — | 2007-08-28 |
| D548280 | Ballpoint pen | — | 2007-08-07 |
| 7138490 | Block copolymer reduced in impurity content, polymeric carrier, pharmaceutical preparations in polymeric form and process for the preparation of the same | Takeshi Nakanishi, Ryuji Uehara, Masanobu Suzuki | 2006-11-21 |
| D523479 | Correction tape holder | Kazuyuki Imaizumi | 2006-06-20 |
| D522582 | Marking tape holder | Kazuyuki Imaizumi | 2006-06-06 |
| D521558 | Board for an electronic handwriting system | — | 2006-05-23 |
| D508528 | Electronic pen | — | 2005-08-16 |
| D506508 | Correction tape holder | Kenji Kita | 2005-06-21 |
| D501881 | Electronic pen | — | 2005-02-15 |