Average Co-Inventor Count = 4.12
ph-index = 9
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. Maxell, Ltd. (89 from 895 patents)
2. Hitachi, Ltd. (32 from 42,517 patents)
3. Hitachi Maxell, Limited (6 from 1,112 patents)
4. Hitachi Consumer Electronics Co., Ltd. (1 from 365 patents)
5. Hitachi Video Engineering, Incorporated (1 from 67 patents)
6. Maxell Holdings, Ltd. (1 from 52 patents)
7. Hitachi Engineering Ltd (1 from 7 patents)
129 patents:
1. 12445674 - Broadcast reception device, broadcast reception method, and broadcast reception program
2. 12436613 - Image display device and image display method
3. 12389062 - Broadcast receiving apparatus
4. 12375747 - Broadcast receiver and broadcast receiving system
5. 12339730 - Head mounted display apparatus
6. 12302204 - Mobile information terminal, information presentation system and information presentation method
7. 12294763 - Broadcast receiving apparatus
8. 12276899 - Image pickup device and method of tracking subject thereof
9. 12267550 - Broadcast receiving apparatus, broadcast receiving method, and contents outputting method
10. 12261839 - User authentication system and portable terminal
11. 12238377 - Broadcast receiving apparatus
12. 12225153 - Portable terminal apparatus
13. 12206934 - Mobile information terminal
14. 12192580 - Broadcast receiving apparatus for receiving program contents based on location information
15. 12177507 - Broadcast receiving system