Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9511553 | Optical element manufacturing method and surface processing device | Hiroyuki Seki | 2016-12-06 |
| 9498818 | Casting mold and cast article produced using the same | Tomohiro Koyama, Yuichi Furukawa, Shuji Sotozaki, Hiroaki Wakai | 2016-11-22 |
| 6335097 | Lamination molding resin-coated sand and lamination molding method using resin-coated sand | Yukio Otsuka | 2002-01-01 |
| 6054192 | Method for producing a laminated object and apparatus for producing the same | Yukio Otsuka, Hiromoto Sato | 2000-04-25 |
| 6040094 | Mask for piling process, mask-producing method, and mask-employing method | Yukio Otsuka | 2000-03-21 |
| 5985202 | Method for producing a laminated object and apparatus for producing the same | Yukio Otsuka, Hiromoto Satoh | 1999-11-16 |
| 5985204 | Method for producing laminated object | Yukio Otsuka | 1999-11-16 |
| 5718279 | Method for laminate forming a sand mould and a method for producing a casting using the same | Hiromoto Satoh, Yukio Otsuka, Masuo Shimizu, Yuji Okada, Yoshizumi Senda +2 more | 1998-02-17 |