Average Co-Inventor Count = 7.20
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. Hitachi-Kokusai Electric Inc. (3 from 1,258 patents)
2. Teitokusha Co., Ltd. (3 from 4 patents)
3 patents:
1. 9184069 - Heating apparatus, substrate processing apparatus employing the same, method of manufacturing semiconductor devices, and insulator
2. 8158911 - Heating apparatus, substrate processing apparatus employing the same, method of manufacturing semiconductor devices, and extending member
3. 8116618 - Heating apparatus, substrate processing apparatus, and method of manufacturing semiconductor devices