Average Co-Inventor Count = 2.00
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. Tokyo Kikai Seisakusho, Ltd. (1 from 102 patents)
2. Kabushikigaisha Tokyo Kikai Seisakusho (1 from 32 patents)
2 patents:
1. 5511473 - Width adjusting device for a paper web
2. 5438925 - Ladder for climbing up to and down from working floor of printing press