directly

This industry / category may be too specific. Please go to a parent level for more data

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Helical-scan video tape recorder having a tape-loosening mechanism
- Patent number 3,942,698
- Issue date Mar 9, 1976
- Nippon Electric Co., Ltd.
- Masataka Hattori
- G11 - INFORMATION STORAGE
Information Patent Grant
3911490
- Patent number 3,911,490
- Issue date Oct 7, 1975
- G11 - INFORMATION STORAGE
Information Patent Grant
3846832
- Patent number 3,846,832
- Issue date Nov 5, 1974
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
3804313
- Patent number 3,804,313
- Issue date Apr 16, 1974
- G11 - INFORMATION STORAGE
Information Patent Grant
3643889
- Patent number 3,643,889
- Issue date Feb 22, 1972
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
3472436
- Patent number 3,472,436
- Issue date Oct 14, 1969
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
3452909
- Patent number 3,452,909
- Issue date Jul 1, 1969
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
3122295
- Patent number 3,122,295
- Issue date Feb 25, 1964
- G11 - INFORMATION STORAGE
Information Patent Grant
3073913
- Patent number 3,073,913
- Issue date Jan 15, 1963
- G11 - INFORMATION STORAGE
Information Patent Grant
2837330
- Patent number 2,837,330
- Issue date Jun 3, 1958
- G11 - INFORMATION STORAGE