Average Co-Inventor Count = 1.77
ph-index = 15
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. Asahi Kogaku Kogyo Kabushiki Kaisha (90 from 3,132 patents)
2. Pentax Corporation (16 from 1,056 patents)
3. Asahi Kogaku Kogyo K.k. (9 from 176 patents)
4. Asahi Seimitsu Kabushiki Kaisha (6 from 46 patents)
5. Sony Corporation (4 from 58,129 patents)
6. Mitsubishi Electric Corporation (2 from 15,844 patents)
7. Tdk Corporation (2 from 7,952 patents)
8. Nintendo Co., Ltd. (2 from 2,799 patents)
9. Hoya Corporation (2 from 2,528 patents)
10. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)
11. Nippon Hoso' Kyokai (1 from 372 patents)
12. Sunstar Suisse S.a. (1 from 44 patents)
13. Canon Kabushiki Kaisha (90,594 patents)
14. Ricoh Company, Ltd. (28,544 patents)
15. Alps Alpine Co., Ltd. (556 patents)
135 patents:
1. D935504 - Tail of a robot
2. 11037112 - Information processing apparatus and information processing method
3. 10118096 - Information processing apparatus, information processing system, information processing method, and recording medium
4. 10052553 - Information processing apparatus, information processing system, information processing method, and recording medium
5. 9756226 - Electronic apparatus
6. 9355397 - Electronic money system, amount-of-money change information transmitter, server, and amount-of-money change information transmitting method
7. 9103302 - Dual electromagnetic valve and evaporated gas treatment system
8. 9016309 - Protective cover for canister vent solenoid valve
9. D621159 - Toothbrush
10. 7746207 - Coil device
11. 7551053 - Coil device
12. 7489452 - Telephoto zoom lens system
13. 7460312 - Zoom lens system
14. 7317581 - Fisheye lens system and a fisheye zoom lens system
15. 7290564 - Solenoid valve