Average Co-Inventor Count = 2.76
ph-index = 4
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 Kokan Kabushiki Kaisha (3 from 487 patents)
2. Ricoh Company, Ltd. (2 from 28,559 patents)
3. Nissan Motor Company Limited (1 from 13,402 patents)
4. Toyo Seikan Group Holdings, Ltd. (1 from 210 patents)
5. Tokan Kogyo Co., Ltd. (1 from 25 patents)
7 patents:
1. 9630372 - Method of producing pressed paper piece and apparatus therefor
2. 8169645 - Partitioned duplex printing method based on the capacity of the output tray
3. 7885551 - Terminal apparatus, a consumables residual quantity display program, and a recording medium
4. 6955159 - Carbon canister for use in evaporative emission control system of internal combustion engine
5. 4450209 - Multi-layer surface-treated steel plate having zinc-containing layer
6. 4411964 - Composite coating steel sheets having good corrosion resistance
7. 4407899 - Surface treated steel sheets for paint coating