Sumi; Masahiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sumi; Masahiko.The latest application filed is for "addressing system for electronic computer".
- Sumi; Masahiko - Chigasaki JP
- Sumi; Masahiko - Yokohama JP
| Patent | Date |
|---|---|
| Addressing system for electronic computer Grant 4,644,469 - Sumi February 17, 1 | 1987-02-17 |
| Data compressing system Grant 4,414,536 - Sumi November 8, 1 | 1983-11-08 |
| Electron beam exposing apparatus Grant 4,258,265 - Sumi March 24, 1 | 1981-03-24 |
| Radiant beam exposure method Grant 4,181,860 - Sumi January 1, 1 | 1980-01-01 |
| Method for compressing pattern data and data compression processing circuit for radiant beam exposure apparatuses Grant 4,151,421 - Sumi April 24, 1 | 1979-04-24 |
| Electron beam exposure apparatus Grant 4,145,615 - Sumi March 20, 1 | 1979-03-20 |
| Electron beam exposure apparatus Grant 4,063,103 - Sumi December 13, 1 | 1977-12-13 |
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