Average Co-Inventor Count = 3.93
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. Mitsubishi Pencil Company, Limited (6 from 383 patents)
2. Kabushiki Kaisha Toshiba (4 from 52,711 patents)
3. Mitsubishi Pencil Kabushiki Kaisha (2 from 196 patents)
4. Nissan Motor Company Limited (1 from 13,395 patents)
5. Toshiba Electronic Devices & Storage Corporation (1 from 1,502 patents)
6. Toyo Seikan Group Holdings, Ltd. (1 from 209 patents)
14 patents:
1. 12278279 - Semiconductor device
2. 12221517 - Fiber-reinforced polyimide resin molding precursor and method for producing the same
3. 12176418 - Semiconductor device that includes at least four semiconductor regions
4. 12119385 - Field effect transistor
5. 12057501 - Semiconductor device
6. 11987068 - Marking pen
7. 10576774 - Ballpoint pen
8. 10507684 - Writing instrument
9. 9873806 - Ink composition for aqueous ink ball point pen
10. 9416286 - Ink composition for aqueous ballpoint pen
11. 7822526 - Vehicle headway maintenance assist system and method
12. 7799847 - Water-based ink composition for writing instruments
13. 7083349 - Writing implement
14. 7070352 - Writing implement