Average Co-Inventor Count = 4.80
ph-index = 1
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 High-tech Corporation (3 from 1,116 patents)
2. Toyo Seikan Group Holdings, Ltd. (1 from 209 patents)
3. Toyo Seikan Co., Ltd. (1 from 107 patents)
4 patents:
1. 12084562 - Sealer, method of its production and all-solid-state secondary battery
2. D989831 - Apparatus for evaluating semiconductor substrate
3. D989830 - Semiconductor substrate transfer apparatus
4. D989144 - Apparatus for evaluating semiconductor substrate