Average Co-Inventor Count = 2.16
ph-index = 7
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. Tdk Corporation (9 from 7,977 patents)
2. Tdk Electronics Company, Limited (2 from 333 patents)
3. Ricoh Company, Ltd. (1 from 28,577 patents)
4. Sumitomo Wall Systems, Ltd. (1 from 1 patent)
13 patents:
1. 10506113 - Image processing apparatus including a main device and an operation device receiving setting information for scanning
2. 5954198 - Cartridge receiving casing
3. 5405008 - Plastic case and method for making the same
4. 5168998 - Casing for receiving a magnetic tape cassette
5. 5082197 - Tape cassette
6. D316178 - Case for magnetic tape cassettes
7. D314085 - Magnetic cassette tape case
8. 4949210 - Tape cassette
9. 4850547 - Magnetic tape cassette
10. 4849843 - Demagnetizer for a magnetic head of a cassette tape recorder
11. 4571885 - Reversible window with a movable rotary shaft
12. D266829 - Packaging container
13. 4267986 - Magnetic tape cassette