Average Co-Inventor Count = 2.39
ph-index = 20
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. Kabushiki Kaisha Toshiba (46 from 52,711 patents)
2. Citizen Watch Company, Ltd. (11 from 2,002 patents)
3. Mitsubishi Electric Corporation (1 from 15,844 patents)
4. Citizen Holdings Company, Ltd. (1 from 450 patents)
59 patents:
1. 11650548 - Timepiece
2. 11567454 - Electromechanical transducer and electronic timepiece
3. 9124212 - Load characteristic estimating apparatus for driving machine
4. 7746731 - Electronic device with solar cell
5. 7154816 - Electronic watch and electronic watch control method
6. 6846998 - Switch connecting structure for timepiece
7. 6751321 - Digital data reproduction device
8. 6490230 - Electronic watch with meter function and display means
9. 6483781 - Electronic watch and drive method therefor
10. 6373534 - Intelligent digital television receiver
11. 6256390 - Device having a digital interface and a network system using such a device and a copy protection method
12. 6118871 - Device having a digital interface and a network system using such a
13. 6038371 - Variable length code recording/playback apparatus
14. 6014493 - Digital signal recording and playback apparatus for inter-frame and
15. 6009230 - Variable length code recording playback apparatus