Average Co-Inventor Count = 2.31
ph-index = 6
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. Stanley Electric Co., Ltd (23 from 1,438 patents)
2. Ebara Corporation (8 from 2,508 patents)
3. Hitachi Automotive Systems, Ltd. (7 from 2,028 patents)
4. Kabushiki Kaisha Toshiba (2 from 52,711 patents)
5. Tohoku University (2 from 982 patents)
6. Hitachi, Ltd. (1 from 42,485 patents)
7. Nec Corporation (1 from 35,658 patents)
8. The Tokyo Electric Power Company, Incorporated (1 from 177 patents)
9. Chubu Electric Power Company, Inc. (1 from 73 patents)
10. The Chugoku Electric Power Co., Inc. (1 from 66 patents)
11. Tohoku Electric Power Company, Inc. (1 from 63 patents)
12. Kanagawa Academy of Science and Technology (1 from 46 patents)
13. Hokuriku Electric Power Company (1 from 12 patents)
14. The Japan Atomic Power Company (1 from 11 patents)
15. Tokyo Denpa Co., Ltd. (1 from 5 patents)
42 patents:
1. 9895459 - Ultraviolet ray emitting package having resin adhesive layer and ultraviolet ray irradiating apparatus
2. 9711255 - Ultraviolet-emitting material and ultraviolet light source
3. 9496350 - P-type ZnO based compound semiconductor layer, a ZnO based compound semiconductor element, and an N-type ZnO based compound semiconductor laminate structure
4. 9322304 - Variable valve actuation apparatus of internal combustion engine
5. 9157342 - Valve timing control apparatus for internal combustion engine
6. 9133734 - Valve timing control apparatus for internal combustion engine
7. 9064791 - Method for producing p-type ZnO based compound semiconductor layer, method for producing ZnO based compound semiconductor element, and an n-type ZnO based compound semiconductor laminate structure
8. 9064790 - Method for producing p-type ZnO based compound semiconductor layer, method for producing ZnO based compound semiconductor element, p-type ZnO based compound semiconductor single crystal layer, ZnO based compound semiconductor element, and n-type ZnO based compound semiconductor laminate structure
9. 8834132 - Apparatus having control valve and variable capacitance pump and hydraulic pressure circuit of internal combustion engine in which the same apparatus is used
10. 8720399 - Valve timing control apparatus of internal combustion engine
11. 8677965 - Valve timing control device of internal combustion engine
12. 8546797 - Zinc oxide based compound semiconductor device
13. 8510018 - Control valve apparatus
14. 8436351 - ZnO-containing semiconductor layer and ZnO-containing semiconductor light emitting device
15. 8399024 - Water-insoluble medicine