Average Co-Inventor Count = 2.46
ph-index = 4
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. Mahle Filter Systems Japan Corporation (4 from 85 patents)
2. Honda Motor Co., Ltd. (2 from 21,862 patents)
3. Osaka Gas Company Limited (2 from 353 patents)
4. Oskak Gas Co., Ltd. (1 from 1 patent)
5 patents:
1. 8108102 - Sprung mass velocity estimating apparatus
2. 7615108 - Canister
3. 7543574 - Canister
4. 7323041 - Gas storage canister
5. 7309381 - Gas storage canister