Average Co-Inventor Count = 3.03
ph-index = 7
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. (3 from 42,508 patents)
2. Ikegami Tsushinki Co., Ltd. (3 from 82 patents)
3. Nitto-Denko Corporation (2 from 3,871 patents)
4. Hitachi Construction Machinery Co., Ltd. (2 from 1,504 patents)
5. Nippon Telegraph and Telephone Public Corporation (2 from 522 patents)
6. Texas Instruments Corporation (1 from 29,279 patents)
7. Hitachi Maxell, Limited (1 from 1,112 patents)
8. Hitachi Maxell Engery, Ltd. (1 from 1 patent)
13 patents:
1. 8080333 - Battery pack
2. 7655106 - Double-sided pressure-sensitive adhesive tape or sheet and process of producing the same
3. 7138689 - Semiconductor device and manufacturing method thereof
4. 6072394 - Resonance circuit tag, method for production thereof and method for
5. 5211059 - Acoustic microscope system
6. 5131642 - Sorter
7. 5112035 - Sorter
8. 5088709 - Sorter
9. 4962415 - IC card
10. 4653594 - Vibration generating apparatus
11. 4571122 - Pipe laying apparatus
12. 4549208 - Picture processing apparatus
13. 4483407 - Variable configuration track laying vehicle