Average Co-Inventor Count = 4.50
ph-index = 5
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. Nikkiso Company Limited (3 from 358 patents)
2. Shin-etsu Chemical Co., Ltd. (2 from 5,967 patents)
3. Disco Corporation (2 from 1,554 patents)
4. Japan Tobacco Inc. (2 from 1,038 patents)
5. Other (1 from 832,718 patents)
6. Ricoh Company, Ltd. (1 from 28,546 patents)
7. Konami Co., Ltd. (1 from 253 patents)
8. Mutoh Industries Ltd. (1 from 72 patents)
9. Fujitsu Corporation (39,230 patents)
10. Hagiwara, Masatoshi (0 patent)
11 patents:
1. 11819052 - Flavor inhaler
2. 11517040 - Flavor inhaler and method of manufacturing combustion type heat source
3. 9314895 - Grinding apparatus
4. 6966826 - Grinding wheel
5. 6231635 - Lubricant powder for powder metallurgy
6. 5959737 - Frame feeding apparatus and automatic sheet thickness detection apparatus
7. 5904418 - Automatic kneading apparatus and fallen material returning apparatus
8. 5807174 - Method of assisting player in entering commands in video game, video
9. 5772946 - Press-forming apparatus
10. 5182861 - Sheet-driven type automatic drafting machine
11. 4921728 - Process of making a liquid crystal element