Average Co-Inventor Count = 2.49
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. Mitsubishi Pencil Company, Limited (34 from 383 patents)
2. Mitsubishi Pencil Kabushiki Kaisha (6 from 196 patents)
3. Casio Computer Co., Ltd. (5 from 5,219 patents)
4. Agency of Industrial Science and Technology (4 from 1,037 patents)
5. National Institute of Advanced Industrial Science and Technology (1 from 1,710 patents)
6. Kaora Katoh (1 from 1 patent)
7. Hiroko Kaneko (1 from 1 patent)
8. Tsukuba Materials Information Laboratory, Ltd. (1 from 1 patent)
41 patents:
1. 9373851 - Fuel cell
2. 8820569 - Fuel container, fuel residual amount measurement device, and fuel residual amount measurement method
3. 8741429 - Fixing heater and manufacturing method thereof
4. 8544595 - Carbonaceous acoustic diaphragm and method for manufacturing the same
5. 8173318 - Fuel reservoir for fuel cell
6. 8163556 - Method of cell culture observation, carbon substrate for cell culture observation, and method for manufacture thereof
7. 7883815 - Fuel-storing tank for fuel cell
8. 7771890 - Method of preventing leak of liquid fuel
9. 7740971 - Separator for fuel cell and production process for the same
10. 7687178 - Fuel container
11. 7625656 - Direct methanol fuel cell
12. 7615305 - Fuel reservoir for fuel cell
13. 7579096 - Fuel reservoir for fuel cell
14. 7556877 - Direct methanol fuel cell
15. 7332695 - Carbon heating element and method of producing same