Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5107605 | Method and apparatus for dry cleaning as well as method and device for recovery of solvent therein | Kiyomi Yamada, Haruo Hagiwara, Nobuharu Takagi, Yasuhiro Tsubaki, Toshio Hattori | 1992-04-28 |
| 4897859 | Apparatus for identifying and counting linens in bags or bundles | Masaru Nishimura, Hidetoshi Ishihara | 1990-01-30 |
| 4802253 | Dry cleaning method using at least two kinds of solvents | Haruo Hagiwara, Yasuhiro Tsubaki | 1989-02-07 |
| 4712392 | Dry cleaning apparatus | Haruo Hagiwara, Yasuhiro Tsubaki | 1987-12-15 |