Average Co-Inventor Count = 3.00
ph-index = 1
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 2,005 patents)
3 patents:
1. 11919439 - Lever operation device
2. 11803205 - Lever operation device
3. 11644858 - Lever operation device and method for manufacturing the same