Average Co-Inventor Count = 2.57
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. Honda Motor Co., Ltd. (3 from 21,831 patents)
2. Mitsui Minings & Melting Co., Ltd. (2 from 817 patents)
3. Nec Corporation (1 from 35,658 patents)
4. Hitachi Automotive Systems, Ltd. (1 from 2,028 patents)
5. Hitachi Astemo Ltd. (1 from 1,192 patents)
6. Nihon Dempa Kogyo Co., Ltd. (1 from 630 patents)
7. Hitachi-johnson Controls Air Conditioning, Inc. (1 from 93 patents)
8. Nikon Corporation (8,889 patents)
9. Nikon Metrology Nv (34 patents)
8 patents:
1. 12296320 - Exhaust gas cleaning catalyst structure and production method therefor
2. 12118801 - Object recognition device
3. 11022372 - Air conditioner
4. 10937321 - Vehicle control device
5. 10250268 - PLL circuit
6. 10022705 - Exhaust gas purifying catalyst
7. 9120084 - Catalyst device for exhaust gas
8. 8249311 - Alcohol test system, alcohol test device, alcohol test method, and program