Average Co-Inventor Count = 4.90
ph-index = 16
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. Honda Giken Kogyo Kabushiki Kaisha (65 from 10,092 patents)
2. Honda Motor Co., Ltd. (4 from 21,831 patents)
3. Ngk Insulators, Inc. (2 from 4,916 patents)
4. Honda Giken Kogyo K.k. (2 from 182 patents)
5. Other (1 from 832,680 patents)
6. Ngk Spark Plug Company, Limited (1 from 2,606 patents)
7. Hirose Electric Company, Ltd. (1 from 773 patents)
8. Honda Giken Kabushiki Kaisha (1 from 57 patents)
73 patents:
1. 8151741 - Control device of internal combustion engine
2. 7296556 - Control system for internal combustion engine
3. 7268539 - Pulse signal generator
4. 7104051 - Exhaust gas purification device
5. 6578649 - Hybrid vehicle
6. 6299563 - Control system for hybrid vehicle
7. 6257176 - Variable cycle internal combustion engine and controller thereof
8. 6185931 - Failure detecting system of exhaust purification apparatus
9. 6186255 - Hybrid vehicle
10. 6176081 - Heating device for an exhaust gas purification catalytic converter
11. 6138620 - Valve operating system in an internal combustion engine
12. 6112519 - Exhaust gas purification device for an internal combustion engine
13. 6031213 - Electrode structure and electric heater comprising the same
14. 6019183 - Hybrid vehicle
15. 6020697 - Hybrid vehicle