Average Co-Inventor Count = 4.19
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. Hitachi, Ltd. (12 from 42,508 patents)
2. Hitachi Maxell, Limited (2 from 1,112 patents)
3. Casio Hitachi Mobile Communications Co., Ltd. (2 from 97 patents)
4. Maxell, Ltd. (1 from 890 patents)
5. Hitachi Consumer Electronics Co., Ltd. (1 from 365 patents)
6. Lenovo Innovations Limited (hong Kong) (1 from 149 patents)
7. Hitachi Information Network, Ltd. (1 from 5 patents)
19 patents:
1. 11036301 - Input device for motion operating graphical user interface
2. 9411424 - Input device for operating graphical user interface
3. 9164578 - Input device for operating graphical user interface
4. 8989551 - Captioned video playback apparatus and recording medium
5. 8667426 - Input apparatus
6. 8350964 - Captioned image reproducing device, captioned image reproducing method and program
7. 8346049 - Captioned video playback apparatus and recording medium
8. 7339895 - Gateway device and control method for communication with IP and IPV6 protocols
9. 7277699 - Remote operating system
10. 7275090 - Log accumulation device with user accuracy setting means and pseudo-information generating means
11. 6857131 - Method and apparatus for displaying an image and data related to the image conditioned on user identifier
12. 6693999 - Remote operating system
13. 6535921 - Method of sending and receiving information and system using such method
14. 6510212 - Remote operating system
15. 6487543 - Media-integrating system, terminal device, recording medium and broadcasting method for use in the media-integrating system