Average Co-Inventor Count = 3.40
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. Toppan Printing Co., Ltd. (6 from 1,268 patents)
2. Max Co., Ltd. (5 from 702 patents)
3. Nippon Valqua Industries, Ltd. (5 from 57 patents)
4. Shell Oil Comapny (2 from 7,645 patents)
5. Tohoku University (2 from 982 patents)
6. Toyo Suisan Kaisha, Ltd. (2 from 25 patents)
7. Other (1 from 832,680 patents)
21 patents:
1. 11378072 - Air compressor
2. 11131301 - Air compressor
3. 10598174 - Air compressor
4. 9611940 - Gate valve
5. 9528506 - Air compressor
6. 8911805 - Calcium preparation and method of production thereof
7. 8888106 - Seal plate, seal member that is used in seal plate, and method for manufacturing the same
8. 8485534 - Metal gasket
9. 8250966 - Method of manufacturing bellows
10. 7556727 - Kerosene composition
11. 7483214 - Lens array sheet, transparent screen, and rear-projection display
12. 7306237 - Sealing material for ant groove
13. 7268209 - Peptides, derivates thereof, process for producing the same, novel strain producing the same, and antiviral agent comprising the same as active ingredient
14. 7190517 - Light diffusing substrate, transmission screen, and display device
15. 7054068 - Lens array sheet and transmission screen and rear projection type display