Average Co-Inventor Count = 4.10
ph-index = 2
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. Yanmar Co., Ltd. (8 from 651 patents)
8 patents:
1. 10047664 - Engine
2. 7784281 - Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device
3. 7753030 - Accumulator-type fuel injection apparatus and internal combustion engine provided with that accumulator-type fuel injection apparatus
4. 7707995 - Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device
5. 7661411 - Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device
6. 7540275 - Accumulator-type fuel injection apparatus and internal combustion engine provided with that accumulator-type fuel injection apparatus
7. 7500471 - Pressure accumulation-type fuel injection device and internal combustion engine provided with this pressure accumulation-type fuel injection device
8. 7467039 - Revolution control apparatus for an internal combustion engine, and internal combustion engine provided with that revolution control apparatus