Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6351305 | Exposure apparatus and exposure method for transferring pattern onto a substrate | Masato Kumazawa, Kinya Kato, Masaki Kato, Hiroshi Chiba, Hiroshi Shirasu | 2002-02-26 |
| 4834051 | Oxygen sensor and an air-fuel ratio control apparatus of an internal combustion engine using the same | Shigekazu Yamauchi, Masaru Mikita | 1989-05-30 |