Average Co-Inventor Count = 2.45
ph-index = 8
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. Izumi-cosmo Company, Limited (21 from 27 patents)
2. Other (3 from 832,761 patents)
3. Asahi Polyslider Company, Limited (2 from 14 patents)
4. Tokyo Bell Seisakusho Co., Ltd. (2 from 2 patents)
5. Kimoto Co, Ltd. (1 from 102 patents)
6. Kazuharu Seki (1 from 1 patent)
7. Triall Limited (1 from 1 patent)
28 patents:
1. 11378872 - Projector stand
2. 11150549 - Magnet screen device
3. 10768512 - Picture display apparatus
4. 10613427 - Suspension type screen device
5. 10442647 - Magnet sheet winding device and propping tool thereof
6. 10379434 - Portable screen device
7. 10095098 - Board for projector
8. 9690182 - Magnet screen device
9. 9566028 - Lancet pricking device
10. 9138185 - Lancet assembly and pricking device
11. 8199402 - Portable screen assembly
12. 8159745 - Portable screen assembly and expanding and contracting column and handing tool used therefor
13. 8050861 - Road map
14. 7883523 - Lancet assembly
15. 7879059 - Lancet assembly