Average Co-Inventor Count = 1.39
ph-index = 9
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. Yoshida Kogyo K.k. (8 from 1,145 patents)
2. Yoshida Kogyo Kabushiki Kaisha (7 from 129 patents)
3. Ricoh Company, Ltd. (1 from 28,559 patents)
4. Oki Data Corporation (1 from 1,875 patents)
5. Yamasa Tokei Meter Co., Ltd. (1 from 3 patents)
18 patents:
1. 8200516 - Support system, server, translation method and program
2. 8009306 - Printing apparatus and print system
3. 5035081 - Double-hung window
4. 4605252 - Apparatus for retaining a sash in open position in a projected window
5. 4560861 - Condition regulating device for the meters for measuring the quantity of
6. 4341043 - Weathertight sliding sash window assembly
7. 4123071 - Water-drainable gasket
8. 4118827 - Door hinge attachment device
9. 4114331 - Exterior window unit
10. 4099758 - Closure construction having adjustable catch assembly
11. 4055916 - Exterior window unit having frame header
12. 4048774 - Exterior window unit having adapter sill member
13. 4027581 - Ventilator
14. 4014149 - Paneled door construction
15. 3991982 - Balustrade with means for connection of balusters to a rail