Average Co-Inventor Count = 4.00
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. Meisei Electric Co., Ltd. (2 from 22 patents)
2. Ihi Aerospace Engineering Co., Ltd. (2 from 2 patents)
2 patents:
1. 10495784 - Balloon-launching apparatus
2. 10132960 - Balloonsonde canister and balloonsonde canister module