Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10105814 | Polishing sheet, polishing tool and polishing method | Jun-Ying Zhang, Hidekazu Masuo, Wataru Kikuta, Tatsuya Tanaka, Tomihiro Takahashi +3 more | 2018-10-23 |
| 9440331 | Polishing sheet and polishing tool | Jun-Ying Zhang | 2016-09-13 |
| 8911061 | Nozzle plate, nozzle plate production method, liquid discharge head, and image forming apparatus | Jun-Ying Zhang | 2014-12-16 |
| 7794643 | Apparatus and method for molding object with enhanced transferability of transfer face and object made by the same | Jun Watanabe, Yasuo Yamanaka, Keiji Ueda, Yasunori Sugimoto | 2010-09-14 |
| 6919120 | Plastic molding and a method and a mold assembly for producing the same | Yasuo Yamanaka, Jun Watanabe, Toshiharu Hatakeyama, Hidenobu Kishi | 2005-07-19 |
| 6893586 | Plastic optical element, plastic optical element producing method and plastic optical element producing apparatus | Yasuo Yamanaka, Jun Watanabe | 2005-05-17 |
| 6875380 | Method and apparatus for manufacturing plastic optical element and plastic optical element | Hidenobu Kishi, Yasuo Yamanaka, Jun Watanabe, Toshiharu Hatakeyama | 2005-04-05 |
| 6793868 | Plastic molding and method and apparatus for producing the same by injection molding | Toshihiro Kanematsu, Yasuo Yamanaka, Akira Fukushima, Motoyasu Murai | 2004-09-21 |
| 6620486 | Plasting molding and method and apparatus for producing the same by injection molding | Toshihiro Kanematsu, Yasuo Yamanaka, Akira Fukushima, Motoyasu Murai | 2003-09-16 |
| 6565346 | Plastic molded article or product and method and apparatus for producing the same by injection molding | Toshihiro Kanematsu, Yasuo Yamanaka, Akira Fukushima, Motoyasu Murai | 2003-05-20 |
| 6465610 | Method and apparatus for manufacturing plastic optical element and plastic optical element | Hidenobu Kishi, Yasuo Yamanaka, Jun Watanabe, Toshiharu Hatakeyama | 2002-10-15 |
| 6287504 | Plastic molding and method and apparatus for producing the same by injection molding | Toshihiro Kanematsu, Yasuo Yamanaka, Akira Fukushima, Motoyasu Murai | 2001-09-11 |
| 5603871 | Method for manufacturing molded resin product and plastic mirror | Hisaaki Koseko, Wataru Ohtani, Hidenori Ito, Toshihiro Kanematsu, Akio Hirano +2 more | 1997-02-18 |