Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8298732 | Exposure method and method of making a semiconductor device | Masahiko Minemura, Seiji Makino, Kanji Takeuchi, Kozo Ogino | 2012-10-30 |
| 7669634 | Sliding roll screen door | Takashi Moriya | 2010-03-02 |
| 6938667 | Automatic wind-up screen device | Takashi Aoki, Naoto Sawaguchi, Takeshi Aoyama | 2005-09-06 |
| 5517789 | Variable floor height telescopic multi-staged spectator seating system | — | 1996-05-21 |
| 5324093 | Apparatus for setting operative attitude of furnitures in furniture raising/lowering type floor equipment | — | 1994-06-28 |
| 5271190 | Apparatus for opening and closing covering means for furniture raising/lowering type floor equipment | — | 1993-12-21 |
| 5245799 | Apparatus for opening and closing covering means for furniture raising/lowering type floor equipment | — | 1993-09-21 |
| 5228744 | Apparatus for locking operative position of each furniture on furniture raising/lowering type floor equipment | — | 1993-07-20 |