Average Co-Inventor Count = 1.87
ph-index = 5
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 Tokai Rika Denki Seisakusho (12 from 2,002 patents)
12 patents:
1. 8359943 - Gearshift device
2. 8359889 - Vehicle door handle device
3. 8330571 - Vehicle electronic key system
4. 8193906 - Mechanical key code verification system
5. 8156776 - Card type mechanical key
6. 8146393 - Vehicle door handle device
7. 8042367 - Tumbler-type key verification system
8. 8011214 - Valet key storage device
9. 6862908 - Key device and method for assembling the same
10. 6742818 - Box lock with safety device
11. 6393932 - Shift lever device
12. 5532908 - Lighting device for zigzag-operated shift lever