Average Co-Inventor Count = 1.64
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. Nippon Oil Company (3 from 690 patents)
2. Fuji Denki Co., Ltd. (2 from 2 patents)
3. E.p.s. Engineering Co., Ltd. (2 from 2 patents)
4. Fuji Engineering Co., Ltd. (1 from 8 patents)
5. Nippon Oil Engineering and Construction Company Limited (1 from 1 patent)
3 patents:
1. 5452857 - Burner for burning liquid fuel
2. 5176324 - Fuel spraying method in liquid fuel combustion burner, and liquid fuel
3. 5158443 - Fuel spraying method in liquid fuel combustion burner, and liquid fuel