Average Co-Inventor Count = 2.86
ph-index = 2
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. Dowa Mining Co., Ltd. (3 from 217 patents)
2. Japan Tobacco Inc. (2 from 1,038 patents)
3. Dowa Metaltech Co., Ltd. (77 patents)
5 patents:
1. 7387741 - Power module member manufactured by wet treatment, and wet treatment method and wet treatment equipment thereof
2. 7243656 - Machine for manufacturing rod-like article
3. 6935554 - Metal/ceramic bonding article and method for producing same
4. 6737173 - Pretreating method before plating and composites having a plated coat
5. 4711316 - Guidance system for unmanned transporting vehicle