Average Co-Inventor Count = 2.92
ph-index = 14
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. (34 from 28,577 patents)
2. Kureha Chemical Industry Company, Limited (4 from 128 patents)
3. Mitsubishi Chemical Corporation (2 from 2,351 patents)
4. Mitsubishi Chemical Industries Limited (2 from 614 patents)
5. Mitsubishi Kasei Corporation (2 from 499 patents)
6. Nippon Ozone Co., Ltd. (2 from 3 patents)
7. Other (1 from 832,880 patents)
8. Renesas Electronics Corporation (1 from 7,529 patents)
9. Japan Science and Technology Agency (1 from 1,310 patents)
10. Sumitomo Bakelite Company Limited (1 from 613 patents)
11. Ricoh Corporation (1 from 233 patents)
12. Nihon Nohyaku Co., Ltd. (1 from 181 patents)
13. Dengensha Manufacturing Company Limited (1 from 16 patents)
14. National Institute for Environmental Studies (1 from 10 patents)
53 patents:
1. 8456183 - Electronic component contactor, apparatus for testing electronic component, and method for testing electronic component
2. 7525086 - Spray glow discharge ionization method and system
3. 7153815 - Insecticide containing hydrazone derivative as the active ingredient and novel hydrazone derivative
4. 7098215 - Nitrogenous compounds and antiviral drugs containing the same
5. 6242445 - Benzimidazole derivative
6. RE37157 - Printer with face-down delivery of collated printed sheets at the top, and a manually removable PC/developer cartridge
7. 6211175 - Cardiac diseases improving method
8. 5932575 - Cardiac diseases improving agents
9. 5797872 - Method of treating domestic animals such as cows for mastitis and
10. 5705453 - Indazole compounds and the use thereof
11. 5696056 - Phthalimide compound and herbicide containing the same
12. 5521679 - Image forming apparatus having clamp for conveying a recording medium
13. 5417936 - Plate-type ozone generator
14. 5291227 - Ink jet printer having improved paper transport mechanism
15. 5264273 - Structure of a recording medium for an electrostatic recorder