| 7008131 |
Composite holding device |
Hidehei Kagevarna, Tadashi Yamamoto, Sachio Arai |
2006-03-07 |
| 6379067 |
Double-chuck mechanical pencil |
Hidehei Kageyama, Yoshihide Mitsuya |
2002-04-30 |
| 6039485 |
Double-chuck mechanical pencil |
Hidehei Kageyama, Yoshihide Mitsuya |
2000-03-21 |
| 5961237 |
Writing instrument |
Shuhei Kageyama, Sachio Arai, Tadashi Yamamoto |
1999-10-05 |
| 5810496 |
Writing instrument |
Shuhei Kageyama, Sachio Arai, Tadashi Yamamoto |
1998-09-22 |
| 5547301 |
Writing instrument with rotatable advancement and retraction |
Shuhei Kageyama, Sachio Arai, Tadashi Yamamoto |
1996-08-20 |
| 5535487 |
Clip attachment apparatus for a writing instrument |
Hidehei Kageyama, Allen Drucker |
1996-07-16 |
| 5165813 |
Container with snap-in chuck and chuck ring |
Shuhei Kageyama, Yoshio Noguchi, Yoshihide Mitsuya |
1992-11-24 |
| 5056947 |
Dual refill-type writing utensil |
Masuo Kubota, Hidehei Kageyama, Saburo Kobayashi, Yoshihide Mitsuya |
1991-10-15 |
| 4969763 |
Lead forwarding mechanism retainer for thurst action mechanical pencil |
Shuhei Kageyama, Yoshihide Mitsuya |
1990-11-13 |
| 4856693 |
Working out container of bar shaped article |
Shuhei Kageyama, Tadashi Yamamoto |
1989-08-15 |