Issued Patents All Time
Showing 26–50 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8956988 | Optical glass, preform for precision press-molding, optical element, methods for manufacturing thereof, and imaging device | — | 2015-02-17 |
| 8893358 | Needle puncher | Rie Shirai | 2014-11-25 |
| 8826695 | Method for manufacturing optical glass element | Xuelu Zou | 2014-09-09 |
| 8805222 | Image developing device, process cartridge including image developing device, and image forming device including image developing device | Naoki Nakatake, Tomohiro Kubota, Shoh Tsuritani, Yuji Nagatomo, Yasuhide Matsuno +7 more | 2014-08-12 |
| 8748328 | Optical glass, preform for precision press molding, optical element and method of manufacturing thereof | — | 2014-06-10 |
| 8716157 | Optical glass, glass material for press molding, and optical element | Yoshio Nojima | 2014-05-06 |
| 8703295 | Glass material for mold pressing, method for manufacturing same, and method for manufacturing optical glass element | Xuelu Zou, Hiroshi Kohno, Kohichiro Shiraishi | 2014-04-22 |
| 8661853 | Method for producing glass, optical glass, glass material for press molding, optical element and methods for producing same | Tomoaki Negishi | 2014-03-04 |
| 8647994 | Optical glass, glass material for press-molding, and optical glass element | — | 2014-02-11 |
| 8575047 | Optical glass, preform for precision press molding, and optical element | Shuhei Mikami, Hiroki Takazawa | 2013-11-05 |
| 8575048 | Optical glass, precision press-molding preform, optical element and process for producing the same | Tomoaki Negishi | 2013-11-05 |
| 8521381 | Power transfer device and control method thereof, and lock-up clutch device | Hiromasa Takai, Masatake Ichikawa, Yutaka Teraoka, Hiroshi Tsutsui | 2013-08-27 |
| D678670 | Needle holder | Mayumi Matsumoto | 2013-03-26 |
| D676069 | French knitting spool | — | 2013-02-12 |
| 8349749 | Optical glass, preform for precision press molding, optical element and method of manufacturing thereof | — | 2013-01-08 |
| 8338320 | Optical glass, preform for precision press-molding, optical element, methods for manufacturing thereof, and imaging device | — | 2012-12-25 |
| 8316517 | Pompon making tool | — | 2012-11-27 |
| 8288299 | Optical glass, preform for precision press molding, and optical element | Shuhei Mikami, Hiroki Takazawa | 2012-10-16 |
| 8206830 | Glass material for mold pressing and method for manufacturing optical glass element | Xuelu Zou | 2012-06-26 |
| D650575 | Knitting indicator ring for counting loops | — | 2011-12-20 |
| 8039408 | Optical glass, preform for precision press molding, optical element and method of manufacturing thereof | — | 2011-10-18 |
| 8012896 | Optical glass, preform for precision press molding, method for manufacturing preform for precision press molding, optical element, and method for manufacturing optical element | — | 2011-09-06 |
| 7994082 | Preforms for precision press molding, optical elements, and methods of manufacturing the same | Xuelu Zou, Yoshiko Kasuga | 2011-08-09 |
| 7955998 | Optical glass, precision press-molding and process for the production thereof, and optical element and process for the production thereof | Kazutaka Hayashi | 2011-06-07 |
| 7952686 | Stage apparatus, exposure apparatus, and device manufacturing method | — | 2011-05-31 |