Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598707 | Elevator | Shigeo Nakagaki, Kazuaki Miyakoshi, Masaru Tateyama | 2003-07-29 |
| 5365158 | Driving control apparatus for induction motor | Shigeru Tanaka, Susumu Tadakuma | 1994-11-15 |
| 5028200 | Wafer positioning mechanism using a notch formed on the wafer periphery | — | 1991-07-02 |
| 4955780 | Wafer positioning apparatus | Nobuo Iijima, Tatsuro Kawabata | 1990-09-11 |