Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5856259 | Preparation process of supported catalyst for the synthesis of methacrolein and methacrylic acid | Seigo Watanabe, Jinko Izumi | 1999-01-05 |
| 5701169 | Illumination system and exposure apparatus with demountable transparent protective member | — | 1997-12-23 |
| 5288333 | Wafer cleaning method and apparatus therefore | Masato Tanaka, Hisao Nishizawa, Nobuyuki Hirai, Kaoru Shinbara | 1994-02-22 |
| 5171949 | Switching power supply for microwave oven | Kunihiro Fujishima | 1992-12-15 |
| 5158100 | Wafer cleaning method and apparatus therefor | Masato Tanaka, Hisao Nishizawa, Nobuyuki Hirai, Kaoru Shinbara | 1992-10-27 |
| 5111372 | DC-DC converter | Shigeru Kameyama, Koji Arakawa, Kazushi Watanabe, Isami Norigoe | 1992-05-05 |
| 5086381 | DC-DC converter | Shigeru Kameyama, Koji Arakawa, Kazushi Watanabe, Isami Norigoe | 1992-02-04 |
| 5082998 | Switching power supply for microwave oven | — | 1992-01-21 |