Average Co-Inventor Count = 1.92
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. Janome Sewing Machine Company Limited (3 from 609 patents)
2. Ricoh Company, Ltd. (1 from 28,546 patents)
4 patents:
1. 11762606 - Image processing system including reprint feature with improved measures against unintended dissemination of confidential information
2. 5044291 - Stitch pattern select/input system in sewing machine
3. 4892050 - Sewing machine having apparatus for indicating elongated pattern
4. 4876977 - Selected pattern display device of sewing machine