Average Co-Inventor Count = 3.61
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. Mitsubishi Jukogyo Kabushiki Kaisha (14 from 1,326 patents)
2. Sumitomo Metal Industries, Inc. (5 from 929 patents)
3. Mitsubishi Heavy Industries Limited (4 from 4,618 patents)
4. Nippon Steel Corporation (4 from 3,542 patents)
5. Other (1 from 832,680 patents)
19 patents:
1. 6935552 - High-precision method and apparatus for evaluating creep damage
2. 6919534 - Welded joints in high strength, heat resistant steels, and a welding method therefor
3. 6379611 - High strength, low alloy, heat resistant steel
4. 5972287 - Heat-resisting steel
5. 5945064 - Welding material for low chromium (Cr) ferritic steel having high
6. 5814274 - Low-Cr ferritic steels and low-Cr ferritic cast steels having excellent
7. 5746843 - Low Mn-low Cr ferritic heat resistant steel excellent in strength at
8. 5556561 - Method of forming a weld joint of austenitic stainless steel/ferritic
9. 5407635 - Low-chromium ferritic heat-resistant steel with improved toughness and
10. 5268142 - High-nitrogen ferritic heat-resisting steel with high vanadium content
11. 5254307 - High-nitrogen ferritic heat-resisting steel with high niobium content
12. 5211909 - Low-alloy heat-resistant steel having improved creep strength and
13. 5204056 - Method of production of high-nitrogen ferritic heat-resisting steel
14. 5158745 - High-nitrogen ferritic heat-resisting steel
15. 5084238 - High strength heat-resistant low alloy steels