Average Co-Inventor Count = 1.36
ph-index = 2
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 (3 from 2,003 patents)
3 patents:
1. 5842379 - Shift lever
2. 5829308 - Shift lever device
3. 4459464 - Electric cigar lighter