Average Co-Inventor Count = 4.38
ph-index = 10
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. Nippon Tungsten Co., Ltd. (17 from 57 patents)
2. Sumitomo Special Metals Co., Ltd. (10 from 240 patents)
3. Hokuriku Seikei Industrial Co., Ltd. (4 from 6 patents)
4. Other (2 from 832,880 patents)
5. Tokyo Electron Limited (1 from 10,341 patents)
6. Tohoku University (1 from 987 patents)
7. Sumitomo Special Metal Co. Ltd. (1 from 26 patents)
8. Ltd. Tsudakoma Corp. (1 from 1 patent)
20 patents:
1. 11264214 - Silicon carbide member for plasma processing apparatus, and production method therefor
2. 10280121 - Silicon carbide member for plasma processing apparatus
3. 8858864 - Nozzle member and process for producing the same
4. 5649571 - Sub-nozzle in an air injection type weaving machine
5. 5595947 - Substrate materials for magnetic head
6. 5595946 - Substrate materials for magnetic heads with low flying height
7. 5302560 - Process for the production of magnetic head sliders
8. 5119863 - Water jet nozzle for loom
9. 4987930 - Auxiliary sub-nozzle for fluid jet loom
10. 4902651 - Material for magnetic head substrate member
11. 4859638 - Magnetic head sliders, materials therefor, and the process for the
12. 4814915 - Magnetic head slider and material therefor
13. 4796127 - Recording head slider
14. 4598052 - Alumina base substrate of recording head and process for the production
15. 4582812 - Aluminum oxide substrate material for magnetic head and method for