Average Co-Inventor Count = 4.91
ph-index = 6
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Hitachi, Ltd. (15 from 42,517 patents)
2. Hitachi Consumer Electronics Co., Ltd. (4 from 365 patents)
3. Hitachi Maxell, Limited (2 from 1,112 patents)
4. Kabushiki Kaisha Toshiba (1 from 52,766 patents)
22 patents:
1. 9532101 - Digital broadcast receiver unit
2. 8913197 - Digital broadcast receiver unit
3. 8634416 - Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof
4. 8345168 - Digital broadcast receiver unit
5. 8254764 - Recording apparatus, image reproducing apparatus, and special reproduction method therefor
6. 7974316 - Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof
7. 7889281 - Digital broadcast receiver unit
8. 7519934 - System, method and program for designing a semiconductor integrated circuit using intersection ratios with standard cells
9. 7436458 - Digital broadcast receiver unit
10. 7283570 - Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof
11. 7173674 - Digital broadcast receiver unit
12. 7123631 - Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof
13. 7107576 - Method for associating names and device for the same in enterprise applications
14. 7089568 - Program control method, computer system, control program, and storage medium storing the control program
15. 7076339 - Energy-saving service offering method and apparatus therefor