Average Co-Inventor Count = 1.20
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. Tagawa Kikai Co., Ltd. (2 from 2 patents)
2. Takayama Reed Co., Ltd. (1 from 2 patents)
3. Tagawa Kikai Ltd. (1 from 1 patent)
3 patents:
1. 6874196 - Reed cleaning apparatus for air-jet loom
2. 4976292 - Weft end tensioning and detecting devices for shuttleless loom
3. 4574847 - Rotary drum type weft storage apparatus