Average Co-Inventor Count = 1.98
ph-index = 21
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. Sony Corporation (57 from 58,122 patents)
2. Canon Kabushiki Kaisha (36 from 90,100 patents)
3. Azbil Corporation (24 from 353 patents)
4. Yamatake Corporation (13 from 180 patents)
5. Taiyo Yuden Co., Ltd. (9 from 1,749 patents)
6. Jsr Corporation (7 from 1,057 patents)
7. Other (6 from 832,347 patents)
8. Ricoh Company, Ltd. (6 from 28,438 patents)
9. Oki Semiconductor Co., Ltd. (6 from 706 patents)
10. National Institute of Advanced Industrial Science and Technology (4 from 1,703 patents)
11. National Institute of Information and Communications Technology, Incorporated Administrative Agency (4 from 92 patents)
12. Uniden Corporation (2 from 144 patents)
13. Sumitomo Chemical Company, Limited (1 from 6,875 patents)
14. Jatco Corporation (1 from 1,014 patents)
15. Nihon Kohden Corporation (1 from 546 patents)
181 patents:
1. 11703416 - Valve maintenance assistance device and assisting method
2. 11668411 - Valve abnormality detecting device and method
3. 11137961 - Image forming apparatus for printing a designated part of print data in a special color
4. 11003124 - Image forming apparatus using special toner and performing fixing condition change control
5. 10942303 - Method of manufacturing a member, optical member and optical element
6. 10870355 - Motor driving control apparatus and electric apparatus
7. 10834272 - Reading device, image forming apparatus including same, and reading method
8. 10761468 - Image forming apparatus
9. 10732542 - Image forming apparatus for increase of color toner in a color toner image in a special operation
10. 10725420 - Image forming apparatus having toner amount suppression control
11. 10432115 - Motor driving control apparatus
12. 10203437 - Method of manufacturing a member, optical member and optical element
13. 10146218 - Controlling system, assistance device, controlling device, and control method for adding time confirmation between sequences of data points collected from multiple controlling devices
14. 10122172 - Air-conditioning control system and method
15. 10099558 - Motor driving apparatus