Average Co-Inventor Count = 3.53
ph-index = 3
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. Ube Industries, Inc. (7 from 1,432 patents)
2. Ihi Corporation (1 from 1,141 patents)
3. Ishikawajima-harima Heavy Industries Co., Ltd. (1 from 341 patents)
7 patents:
1. 8911825 - Fiber-reinforced heat-resistant sound-absorbing material and process for producing the same
2. 7829479 - Fiber-reinforced heat-resistant sound-absorbing material and process for producing the same
3. 6582650 - Organic silicon polymer, inorganic fiber with silicon carbide base, and method of manufacture thereof
4. 5127461 - Water soluble cores, process for producing them and process for die
5. 4980242 - Fiber-reinforced metal composite
6. 4963439 - Continuous fiber-reinforced Al-Co alloy matrix composite
7. 4799531 - Casting method in high-pressure casting