Average Co-Inventor Count = 4.68
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. Ube Industries, Inc. (4 from 1,432 patents)
2. Toyota Jidosha Kabushiki Kaisha (1 from 36,771 patents)
3. Grand Polymer Co., Ltd. (1 from 7 patents)
5 patents:
1. 6320009 - Polypropylene resin composition and injection-molded article
2. 5532309 - Resin composition for automobile bumper
3. 5354795 - Polypropylene resin composition having improved coating property
4. 5308908 - Polypropylene resin composition
5. 4983647 - Reinforced polypropylene composition