Average Co-Inventor Count = 2.48
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. Tsukishima Kikai Co., Ltd. (1 from 55 patents)
2. Sanki Engineering Co., Ltd. (1 from 18 patents)
3. Ihi Rotating Machinery Engineering Co., Ltd. (1 from 5 patents)
4. Tsukasa Felt Shoji Co., Ltd. (1 from 2 patents)
3 patents:
1. 10054129 - Support apparatus for balance correction
2. 9982552 - Pressurized incineration facility and pressurized incineration method
3. 4973182 - Writing nib made of synthetic resin