Average Co-Inventor Count = 2.56
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. Ricoh Company, Ltd. (6 from 28,577 patents)
2. Other (5 from 832,880 patents)
3. Machida Endoscope Co., Ltd. (3 from 50 patents)
4. Arigen Pharmaceuticals, Inc. (2 from 5 patents)
5. Spectra-physics Scanning Systems, Inc. (1 from 52 patents)
6. Erigen Pharmaceuticals, Inc. (1 from 1 patent)
7. Daichu Denshi Co., Ltd. (1 from 1 patent)
8. Techno-frontier Ltd. (1 from 1 patent)
9. Kabushiki Kaisha Samy (1 from 1 patent)
16 patents:
1. 8076302 - Pyrimidine nucleoside derivatives and salts thereof
2. 7968588 - Injectable formulation of antibiotic and solution for intravenous administration thereof
3. 7618950 - Method for treatment and prevention of herpes zoster by topical application
4. 5621620 - Converter
5. 5523575 - Image identifying apparatus using an image sensor to extract false image
6. 5475206 - Scanner assembly
7. 5355220 - Optical movement measuring method and apparatus using interference
8. 5148019 - Moving amount detecting method using a shadow picture diffraction
9. 4987299 - Rotation quantity measuring method and system
10. 4872445 - Cooking utensil
11. 4855256 - Method of manufacturing masked semiconductor laser
12. 4840922 - Method of manufacturing masked semiconductor laser
13. 4823001 - Method of measuring the amount of movement of an object having uniformly
14. 4497144 - Method for manufacturing quadric surface
15. 4375739 - Method for manufacturing hyperbolic surface