Average Co-Inventor Count = 1.87
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. Ricoh Company, Ltd. (9 from 28,544 patents)
2. Meiji Seika Kaisha, Ltd. (2 from 382 patents)
3. Fujitsu Corporation (1 from 39,228 patents)
4. Kabushiki Kaisha Daini Seikosha (1 from 349 patents)
5. Olympus Corporation (8,186 patents)
6. Nippon Sheet Glass Company, Limited (1,156 patents)
7. Glass Techno Synergy Co., Ltd. (1 patent)
13 patents:
1. 6028845 - Communication-line-quality measuring system using a conventional signal
2. 5431928 - Feed for swine and method of breeding swine using the same
3. D284386 - Electrostatic copying machine
4. D283512 - Electrostatic copying machine
5. D280633 - Electrostatic copying machine
6. D280629 - Electrostatic copying machine
7. D280635 - Sorter for copying machine
8. D278825 - Document feeder for copying machine
9. D278346 - Electrostatic copier
10. 4497977 - Automatic coordinate determining device having electrostatic shielding
11. D272154 - Printer
12. D254072 - Facsimile with transceiver
13. 4138506 - Method for deodorizing soybean milk obtained from soybeans or defatted