Average Co-Inventor Count = 3.83
ph-index = 2
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. Fujitsu Corporation (1 from 39,245 patents)
2. Japan Tobacco Inc. (1 from 1,040 patents)
3. Nichias Corporation (1 from 254 patents)
4. Ariake Ceramic Constructions Co., Ltd. (1 from 2 patents)
3 patents:
1. 5910444 - Plants in which the expression of S-adenosylhomocysteine hydrolase gene
2. 5362033 - Hot plate for keeping molten metal in a molten state
3. 4272819 - Inter-subsystem direct transfer system