Average Co-Inventor Count = 3.77
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. Matsushita Electric Industrial Co., Ltd. (7 from 27,375 patents)
2. Parker Kako Co., Ltd. (1 from 1 patent)
3. Shima Trading Co., Ltd. (1 from 1 patent)
7 patents:
1. 6369364 - Electric thermo pot
2. 6143417 - Contamination-resistant float glass
3. 6138663 - Cooking apparatus containing a window that is a contamination-resistant
4. 5846279 - Process for producting a contamination-resistant float glass
5. 4965434 - Far-infrared heater
6. 4586020 - Sheathed resistance heater
7. 4506251 - Sheathed resistance heater