Issued Patents 1989
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881109 | Sensor using a field effect transistor and method of fabricating the same | — | 1989-11-14 |
| 4875759 | Optical fiber and method of producing the same | — | 1989-10-24 |
| 4849323 | Pattern forming method using contrast enhanced material | Masayuki Endo, Masaru Sasago | 1989-07-18 |
| 4840872 | Pattern forming method by use of X-ray exposure | Masayuki Endo, Masaru Sasago | 1989-06-20 |
| 4841341 | Integrator for an exposure apparatus or the like | Masaru Sasago, Masayuki Endo, Ken Ishihara | 1989-06-20 |
| 4824766 | Pattern forming method | — | 1989-04-25 |
| 4812880 | Exposure apparatus | Masaru Sasago, Masayuki Endo, Takeshi Ishihara | 1989-03-14 |
| 4805002 | Exposure apparatus | Masaru Sasago, Masayuki Endo, Takeshi Ishihara | 1989-02-14 |
| 4805000 | Exposure apparatus | Masaru Sasago, Masayuki Endo, Takeshi Ishihara | 1989-02-14 |