Average Co-Inventor Count = 3.22
ph-index = 11
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. Jfe Steel Corporation (55 from 1,766 patents)
2. Fuji Jukogyo Kabushiki Kaisha (8 from 2,208 patents)
3. Subaru Corporation (5 from 1,989 patents)
4. Mitsubishi Paper Mills Limited (5 from 621 patents)
5. Riso Kagaku Corporation (3 from 1,073 patents)
6. Tokyo University of Agriculture and Technology (3 from 130 patents)
7. Mitsumi Electric Company Ltd. (2 from 1,567 patents)
8. Nkk Corporation (2 from 614 patents)
9. Lixil Corporation (2 from 111 patents)
10. Kawasaki Jukogyo Kabushiki Kaisha (1 from 3,302 patents)
11. Kobe Steel, Ltd. (1 from 1,876 patents)
12. Mitsubishi Jidosha Kogyo Kabushiki Kaisha (1 from 1,622 patents)
13. Dainippon Ink and Chemicals, Incorporated (1 from 629 patents)
14. Combi Co., Ltd. (1 from 169 patents)
15. Thyssenkrupp Steel Ag (1 from 29 patents)
90 patents:
1. 12447549 - Resistance spot welding method and weld member production method
2. 12440917 - Resistance spot welding method and weld member production method
3. 12434327 - Friction stir spot welded joint and production method therefor, and friction stir spot welding method
4. 12429080 - Friction joining element
5. 12421589 - Galvanized steel sheet, electrodeposition-coated steel sheet, automotive part, method of producing electrodeposition-coated steel sheet, and method of producing galvanized steel sheet
6. 12410492 - Resistance spot weld, resistance spot welding method, resistance spot welded joint, and method for manufacturing resistance spot welded joint
7. 12358067 - Resistance spot welding method and weld member production method
8. 12276028 - Galvanized steel sheet, electrodeposition-coated steel sheet, automotive part, method of producing electrodeposition-coated steel sheet, and method of producing galvanized steel sheet
9. 12221705 - Alloyed galvanized steel sheet, electrodeposition-coated steel sheet, automotive part, method of producing electrodeposition-coated steel sheet, and method of producing alloyed galvanized steel sheet
10. 12208462 - Steel sheet assembly, method of manufacturing steel sheet assembly, and spot welding process
11. 12194562 - Rotating tool for double-sided friction stir welding, double-sided friction stir welding apparatus, and double-sided friction stir welding method
12. 12151299 - Resistance spot welding method and weld member production method
13. 12134153 - Gas-shielded arc welding method and method for manufacturing welded structure
14. 12071077 - Power control unit mounting structure of vehicle
15. 12037665 - Spot welded member