Average Co-Inventor Count = 3.26
ph-index = 5
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. Hoya Corporation (9 from 2,528 patents)
2. Hitachi-kokusai Electric Inc. (6 from 1,257 patents)
3. Max Co., Ltd. (1 from 702 patents)
4. National Institute of Radiological Sciences (1 from 59 patents)
5. Chiyoda Technol Corporation (1 from 3 patents)
17 patents:
1. 11899356 - Reflective film coated substrate, mask blank, reflective mask, and semiconductor device manufacturing method
2. 11500281 - Reflective film coated substrate, mask blank, reflective mask, and semiconductor device manufacturing method
3. 11435662 - Mask blank, method for manufacturing transfer mask, and method for manufacturing semiconductor device
4. 11119400 - Mask blank, method for manufacturing transfer mask, and method for manufacturing semiconductor device
5. 11119399 - Mask blank, phase shift mask and method for manufacturing semiconductor device
6. 10444620 - Mask blank, phase-shift mask and method for manufacturing semiconductor device
7. 10088744 - Mask blank, method of manufacturing phase shift mask, phase shift mask, and method of manufacturing semiconductor device
8. 9939723 - Mask blank, method of manufacturing phase shift mask, phase shift mask, and method of manufacturing semiconductor device
9. 9933698 - Mask blank, phase-shift mask and method for manufacturing semiconductor device
10. 7541599 - Dosimeter fitting wear and body surface exposure dose distribution measuring method and apparatus using the same
11. 7149497 - Radio signal receiving device
12. 6968210 - Receiving apparatus
13. 6925106 - Predistortion type distortion compensation apparatus
14. 6731919 - Amplifier apparatus and method for controlling a local oscillator frequency based on the detected temperature of if bandpass filters
15. 6698224 - Electronic apparatus having at least two electronic parts operating at different temperatures