Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D971586 | Connecting end portion of a knitting needle | Toshiharu Jitsuda, Shinichi Kitao | 2022-12-06 |
| 11220767 | Connection structure connecting knitting needle body and cable and circular knitting needle having the same | Toshiharu Jitsuda, Shinichi Kitao | 2022-01-11 |
| 11066515 | Polyester resin composition and method of producing same | Zemeng Sun, Jun Sakamoto | 2021-07-20 |
| D912552 | Plate-type handicraft gauge | — | 2021-03-09 |
| 10850485 | Polyester resin composition and production method thereof | Takahiro Motoshiromizu, Jun Sakamoto, Kouichi Dan, Hiroji Kojima, Ken Suzuki +1 more | 2020-12-01 |
| D805293 | Marker ring for knitting | — | 2017-12-19 |
| 9273182 | Method for producing polyester compositions | Hiroji Kojima, Jun Sakamoto | 2016-03-01 |
| D678670 | Needle holder | Yasuhiro Fujiwara | 2013-03-26 |
| D663109 | Crochet hook | Kanako Oe | 2012-07-10 |
| D628101 | Knitting needle gauge plate | — | 2010-11-30 |
| 6528860 | Resistor with resistance alloy plate having roughened interface surface | Kenji Okamoto, Kazuhiko Imamura, Yuzo Saito, Jun Fujiki | 2003-03-04 |