Average Co-Inventor Count = 2.52
ph-index = 6
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. Hitachi, Ltd. (4 from 42,517 patents)
2. National Institute of Advanced Industrial Science and Technology (4 from 1,716 patents)
3. Other (2 from 832,912 patents)
4. Bridgestone Tire Company Limited (2 from 504 patents)
5. Jasco Corporation (2 from 78 patents)
6. Sumitomo Metal Industries, Inc. (1 from 929 patents)
7. Sumco Corporation (1 from 602 patents)
8. Sumitomo Mitsubishi Silicon Corporation (1 from 90 patents)
9. Ecology Development Corp. (1 from 1 patent)
16 patents:
1. 12449575 - Reflective polarized light separation and diffraction element and optical measurement device comprising same
2. 11487440 - Evaluation system for evaluating resource operation of information system by user
3. 11429278 - Storage system and information processing method by storage system
4. 11048412 - Storage system and information processing method by storage system
5. 10505189 - Cathode material and lithium secondary battery using same as cathode
6. 10078452 - Performance information management system, management computer, and performance information management method
7. 8518367 - Titanium oxide and method of producing the same
8. 8309253 - Titanium oxide, method for manufacturing the same, and lithium secondary battery using the same as active material
9. 8012258 - Melt surface position monitoring apparatus in silicon single crystal growth process
10. 7273647 - Silicon annealed wafer and silicon epitaxial wafer
11. 6458204 - Method of producing high-quality silicon single crystals
12. 6170789 - Appliance for supporting carriage of cylindrical article
13. 5424216 - No radical measuring method and apparatus
14. 5383409 - Corrugated board pallet
15. 4527606 - Pneumatic radial tires for passenger cars having low rolling resistance