Average Co-Inventor Count = 2.83
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. Mitsubishi Paper Mills Limited (15 from 622 patents)
2. The University of Tokyo (3 from 1,290 patents)
3. Showa Denko K.k. (2 from 1,960 patents)
4. Asahi Kasei Kogyo Kabushiki Kaisha (2 from 1,297 patents)
5. Nec Corporation (1 from 35,756 patents)
6. Tokyo Institute of Technology (1 from 575 patents)
7. University of Tsukuba (1 from 179 patents)
8. Kanagawa Academy of Science and Technology (1 from 46 patents)
9. Tokyo Printing Ink Mfg. Co., Ltd. (1 from 9 patents)
10. Kanagawa Institute of Industrial Science and Technology (16 patents)
20 patents:
1. 10781108 - Sheet containing two-dimensional hydrogen boride and production method for sheet containing two-dimensional boron compound
2. 9572347 - Method for inactivating a virus
3. 9248432 - Titanium oxide photocatalyst having copper compounds supported thereon, and method for producing same
4. 8889164 - Antimicrobial and antiviral composition, and method of producing the same
5. 8283285 - Scratch color-developable ink and invisible information printed sheet
6. 5843566 - Laminated transparent paper
7. 5568679 - Method of manufacturing laminated piezoelectric actuator having cavity
8. 5112798 - Heat-sensitive recording sheet
9. 5064806 - Thermosensitive recording materials
10. 4983569 - Recording material
11. 4889841 - Thermosensitive recording materials
12. 4880767 - Recording material
13. 4772581 - Heat sensitive recording sheet
14. 4617582 - Heat-sensitive recording sheet
15. 4614956 - Heat-sensitive recording sheet