Average Co-Inventor Count = 4.29
ph-index = 3
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. Citizen Holdings Company, Ltd. (2 from 450 patents)
2. Citizen Watch Company, Ltd. (1 from 2,002 patents)
3. Yamamoto Mfg. Co., Ltd. (1 from 1 patent)
3 patents:
1. 8758884 - Instrument display board and process for producing instrument display board
2. 8243556 - Display plate for solar cell apparatus and method of producing display plate for solar cell apparatus
3. 6730415 - Soft metal and method of manufacturing the soft metal, and decorative part and method of manufacturing the decorative part