Average Co-Inventor Count = 4.27
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. Hitachi, Ltd. (21 from 42,485 patents)
21 patents:
1. 5969969 - Vehicle driving support system which is responsive to environmental
2. 5647009 - Computer aided work support system and method
3. 5483440 - Remote control apparatus and control method thereof
4. 5436843 - Systems and methods for recycling resources and circulating products
5. 5193150 - Data transfer method, data transfer apparatus and information processing
6. 5122971 - Method and apparatus for constructing structures
7. 4799267 - Image processing apparatus and processing method
8. 4709342 - Tactile sensing apparatus
9. 4652803 - Guidance system
10. 4628453 - Navigation apparatus for mobile system
11. 4586335 - Actuator
12. 4579006 - Force sensing means
13. 4549208 - Picture processing apparatus
14. 4498307 - Absorption cold and warm water system utilizing solar heat
15. 4493192 - Operation device for absorption cold and warm water system utilizing