| 6198067 |
Plasma processing device for circuit supports |
Hiroyuki Ikeda, Shoji Shiga |
2001-03-06 |
| 5629915 |
Digital signal conversion enabling to find unauthorized change of the signal |
— |
1997-05-13 |
| 5309387 |
Tamper resistant module with logical elements arranged on a substrate to protect information stored in the same module |
— |
1994-05-03 |
| 5294984 |
Video signal processing system for producing intermediate pixel data from neighboring pixel data to improve image quality |
Kazuo Toraichi, Masaru Kamada |
1994-03-15 |
| 5185717 |
Tamper resistant module having logical elements arranged in multiple layers on the outer surface of a substrate to protect stored information |
— |
1993-02-09 |
| 5124939 |
Signal modification circuit |
Kazuo Toraichi, Masaru Kamada |
1992-06-23 |
| 5103392 |
System for storing history of use of programs including user credit data and having access by the proprietor |
— |
1992-04-07 |
| 4992792 |
Digital-analog converter for converting digital audio signals |
Kazuo Toraichi, Takashi Tokuyama, Youichi Hashimoto, Koichi Endo |
1991-02-12 |
| 4897654 |
Digital-analog converting method, and apparatus therefor |
Kazuo Toraichi |
1990-01-30 |
