Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7441650 | Ophthalmic lens storage container | Masayoshi Tanaka, Hiroyuki Oyama | 2008-10-28 |
| 6889825 | Ophthalmic lens storage container | Hiroyuki Oyama, Masayoshi Tanaka | 2005-05-10 |
| 6536586 | Combination vessel of a cap type sealing tool having tamper function and a bottle portion | Masaharu Nakao, Yukihiro Ogawa, Atsuhiro Doke, Yasuhiro Yokoyama | 2003-03-25 |
| 6276920 | Mold assembly for lens blank, having mold cavity and material reservoir defined by press-fitting engagement of upper and lower molds with intermediate sleeve | Atsuhiro Doke | 2001-08-21 |
| 6224467 | Method of producing ocular lens and holders for holding lens blank during cutting thereof | Yuki Tanaka, Yasuyoshi Yamamoto, Masahiro Sasaki, Toshikazu Miura, Hiroyuki Tajima | 2001-05-01 |
| 5901948 | Jig for holding contact lens material, using light-scattering bonding adhesive | Yasuyoshi Yamamoto, Atsuhiro Doke, Hiroyuki Ohyama, Keiji Yamashita | 1999-05-11 |
| 5630901 | Method and jig for holding contact lens material, using light-scattering bonding adhesive | Yasuyoshi Yamamoto, Atsuhiro Doke, Hiroyuki Ohyama, Keiji Yamashita | 1997-05-20 |