Average Co-Inventor Count = 2.23
ph-index = 10
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 (12 from 3,132 patents)
2. Hitachi, Ltd. (3 from 42,485 patents)
3. Bridgestone Corporation (2 from 5,118 patents)
4. Olympus Medical Systems Corporation (2 from 1,152 patents)
5. Sony Corporation (1 from 58,129 patents)
6. Renesas Electronics Corporation (1 from 7,524 patents)
7. Sony Group Corporation (1 from 3,416 patents)
8. Pioneer Corporation (1 from 2,646 patents)
9. Hoya Corporation (1 from 2,528 patents)
10. Trend Micro Inc. (1 from 615 patents)
11. Rakuten Group, Inc. (1 from 296 patents)
12. Asahi Kogaku Kogyo K.k. (1 from 176 patents)
13. Ricoh Company, Ltd. (28,544 patents)
14. Olympus Corporation (8,186 patents)
15. Jfe Steel Corporation (1,792 patents)
27 patents:
1. 12340827 - Servo pattern recording apparatus, method of producing a servo pattern recording method, and magnetic tape
2. 11468910 - Magnetic recording medium having reinforced substrate
3. 11372042 - Semiconductor device and burn-in test method thereof
4. 11275425 - Portable terminal, method, and computer program for controlling power consumption based on congestion level in a location
5. 10605693 - Reaction force measuring device, degradation diagnosing method and degradation diagnosing device
6. 10502344 - Hose
7. 9473505 - Management of third party access privileges to web services
8. 9453653 - Air conditioning system using deep seawater
9. 8756081 - Medical information management system and management apparatus
10. 8537211 - Image managing apparatus
11. 7739885 - Methods for the production of glass substrate blank
12. 7671852 - Display device, display method, and computer product
13. 7104444 - Method and system to prevent fraudulent payment in credit/debit card transactions, and terminals therefor
14. 6612488 - Method and system to prevent fraudulent payment in credit/debit card transactions, and terminals therefor
15. 4983033 - Automatic range finder for camera