Average Co-Inventor Count = 5.33
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. Miura Co., Ltd. (1 from 107 patents)
2. Miura Research Co. (1 from 1 patent)
2 patents:
1. 5295605 - Shutter device for pressure container
2. 4825813 - Multi-pipe once-through type boiler