Issued Patents All Time
Showing 101–107 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6126906 | Apparatus for removing harmful components in a semiconductor exhaust gas | — | 2000-10-03 |
| 5716428 | Method for removing harmful substances of exhaust gas discharged from semiconductor manufacturing process | — | 1998-02-10 |
| 5649985 | Apparatus for removing harmful substances of exhaust gas discharged from semiconductor manufacturing process | — | 1997-07-22 |
| 4924143 | Colored fluoroescent display lamp assembly | Makoto Toho, Eiji Shiohama, Shoiti Morii, Koji Hiramatsu | 1990-05-08 |
| 4665341 | Colored fluorescent lamp assembly | Katsumasa Nakai, Masahiro Higashigawa, Makoto Toho | 1987-05-12 |
| 4603277 | Fluorescent lamp with bent tubes and support spacer within outer bulb | Makoto Toho | 1986-07-29 |
| 4322174 | Cam shaft locking device for fuel injection pump | Yoshiya Ishii, Nobuyuki Fujitani, Kazuyoshi Arai, Toshiaki Aoki | 1982-03-30 |