Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163350 | Liquid container | Hidehei Kageyama | 2007-01-16 |
| 7060518 | Semiconductor optical device and the fabrication method | Susumu Kondo, Matsuyuki Ogasawara, Ryuzo Iga, Yasuhiro Kondo, Masahiro Yuda +2 more | 2006-06-13 |
| 7018124 | Writing implement with stylus | Hidehei Kageyama, Juri Saitou | 2006-03-28 |
| 6982469 | Semiconductor optical device and the fabrication method | Susumu Kondo, Matsuyuki Ogasawara, Ryuzo Iga, Yasuhiro Kondo, Masahiro Yuda +2 more | 2006-01-03 |
| 6918515 | Liquid container | — | 2005-07-19 |
| 6908246 | Mechanical pencil | Hidehei Kageyama | 2005-06-21 |
| 6893179 | Rotary bar-projecting mechanism for push-button implement | Hidehei Kageyama | 2005-05-17 |
| 6837638 | Capless holding device | — | 2005-01-04 |
| 6835016 | Stick projecting device | — | 2004-12-28 |
| 6749354 | Composite writing implement | Hidehei Kageyama | 2004-06-15 |
| 6717187 | Semiconductor optical device and the fabrication method | Susumu Kondo, Matsuyuki Ogasawara, Ryuzo Iga, Yasuhiro Kondo, Masahiro Yuda +2 more | 2004-04-06 |
| 6702158 | Knocking-type liquid container | Hidehei Kageyama, Tadao Odaka, Tadashi Keda | 2004-03-09 |
| 6687959 | Clip attaching structure | Toshihiko Kageyama, Hidehei Kageyama, Sachio Arai | 2004-02-10 |
| 6599046 | Direct liquid type writing instrument | Makoto Fukushima | 2003-07-29 |
| 6547466 | Mechanical pencil | Hidehei Kageyama | 2003-04-15 |
| 6531108 | Process for producing free hydroxylamine aqueous solution | Kumiko Bansho | 2003-03-11 |
| 6485700 | Process for producing free hydroxylamine aqueous solution | Kumiko Bansho | 2002-11-26 |
| 6390707 | Knocking writing utensil | Hidehei Kageyama | 2002-05-21 |
| 6382859 | Double chuck type mechanical pencil and internal writing mechanism thereof | Hidehei Kageyama | 2002-05-07 |
| 6227734 | Knocking writing utensil | Hidehei Kageyama | 2001-05-08 |
| 6203227 | Double chuck type mechanical pencil | — | 2001-03-20 |
| 6176632 | Liquid container | Hidehei Kageyama, Tomohiro Fueki | 2001-01-23 |
| 6155734 | Rotary stick projecting device | Hidehei Kageyama, Sachio Arai | 2000-12-05 |
| 6102602 | Liquid container cap | Hidehei Kageyama, Tomohiro Fueki | 2000-08-15 |
| 6082917 | Dispenser for selectively extending and retracting a substantially stick-shaped object, and thread means for incorporation in the dispenser | Sachio Arai | 2000-07-04 |