Number | Date | Country | Kind |
---|---|---|---|
5-254826 | Sep 1993 | JPX | |
5-293850 | Nov 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2390578 | Findley | Dec 1945 | |
2410872 | Findley | Nov 1946 | |
2415005 | Findley | Jan 1947 | |
2425647 | Sarver | Aug 1947 | |
2864879 | Toulmin, Jr. | Dec 1958 | |
2919356 | Fry | Dec 1959 | |
2919553 | Fritts | Jan 1960 | |
3090875 | Harkness | May 1963 | |
3119939 | Von Koch | Jan 1964 | |
3154927 | Simon | Nov 1964 | |
3326727 | Fritts | Jun 1967 | |
3428496 | Lockwood | Feb 1969 | |
3481794 | Kasschau | Dec 1969 | |
4859250 | Buist | Aug 1989 | |
5022928 | Buist | Jun 1991 | |
5393350 | Schroeder | Feb 1995 |
Entry |
---|
K. Uemura and I. Nishida, "Thermal semiconductors and their Applications", Dec. 1988, p. 127. |