Average Co-Inventor Count = 4.49
ph-index = 8
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. Sumitomo Electric Industries, Limited (90 from 10,147 patents)
2. Riken Corporation (6 from 846 patents)
3. Koha Co., Ltd. (3 from 37 patents)
90 patents:
1. 10822722 - Gallium arsenide crystal body and gallium arsenide crystal substrate
2. 10714640 - Semiconductor stacked body, light-receiving element, and method for producing semiconductor stacked body
3. 10326034 - Semiconductor laminate and light-receiving element
4. 10158035 - Semiconductor stack, light-receiving device, and method for producing semiconductor stack
5. 9929301 - Semiconductor stack and semiconductor device
6. 9887310 - Semiconductor layered structure, method for producing semiconductor layered structure, and method for producing semiconductor device
7. 9818895 - Semiconductor device, optical sensor device and semiconductor device manufacturing method
8. 9773932 - Epitaxial wafer and method for manufacturing same
9. 9698287 - Epitaxial wafer, method for producing the same, semiconductor element, and optical sensor device
10. 9680040 - Semiconductor device and method for manufacturing the same
11. 9608148 - Semiconductor element and method for producing the same
12. 9281427 - Semiconductor device
13. 9190544 - Photodiode, optical sensor device, and photodiode manufacturing method
14. 9171978 - Epitaxial wafer, method for producing the same, photodiode, and optical sensor device
15. 9159853 - Group III-V compound semiconductor photo detector, method of fabricating group III-V compound semiconductor photo detector, photo detector, and epitaxial wafer