Average Co-Inventor Count = 3.71
ph-index = 4
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. Sato Kogyo Co., Ltd. (3 from 8 patents)
2. Mac Co., Ltd. (2 from 4 patents)
3. Honda Giken Kogyo Kabushiki Kaisha (1 from 10,092 patents)
4. Seiko Instruments Inc (1 from 2,899 patents)
5. Japan Science and Technology Agency (1 from 1,310 patents)
6. Mitsubishi Hitachi Power Systems, Ltd. (651 patents)
6 patents:
1. 7151202 - Environmental stress resistance gene
2. 5237384 - Laser positioner and marking method using the same
3. 5198836 - Compact line thermal printer
4. 5198868 - Laser surveying system having a function of marking reference points
5. 5090325 - Tunnel driving method
6. 4505352 - Swing type power unit for a two-wheeled motor vehicle