Average Co-Inventor Count = 3.62
ph-index = 5
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. Nippon Kokan Kabushiki Kaisha (3 from 487 patents)
2. Hidan Co., Ltd. (3 from 13 patents)
3. Nkk Corporation (2 from 614 patents)
4. Toyota Jidosha Kabushiki Kaisha (1 from 36,721 patents)
9 patents:
1. 8651759 - Cylindrical cosmetic container
2. 7866905 - Thrust-out type container for a rod-shaped article such as a lipstick
3. 6837093 - Methods for making an easy-opening can end
4. 6623199 - Thrust-out type container for a rod-like article
5. 5927119 - Bulge forming method and apparatus
6. 5031434 - Plug for manufacturing seamless steel pipe
7. 4430872 - Method and apparatus for plate edge preparation for UOE pipe making
8. 4339941 - Method and apparatus for producing thick welded steel pipe
9. 4050963 - Method of quenching large-diameter thin-wall metal pipe