Average Co-Inventor Count = 1.50
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. Ikeda Bussan Co. Ltd. (2 from 317 patents)
2 patents:
1. 5257846 - Reversible-lid arrangement
2. 5080417 - Partition plate for automotive vehicle