Average Co-Inventor Count = 6.56
ph-index = 4
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. Toyota Jidosha Kabushiki Kaisha (3 from 36,713 patents)
2. Taiho Kogyo Co., Ltd. (1 from 288 patents)
3. Nihon Parkerizing Co., Ltd. (1 from 128 patents)
4. Toyo Aluminium Kabushiki Kaisha (1 from 114 patents)
5. Teikoku Piston Ring Co., Ltd. (1 from 70 patents)
6. Teipi Industry Co., Ltd. (1 from 4 patents)
4 patents:
1. 7383805 - Cylinder liner for insert casting and method for manufacturing thereof
2. 6655842 - Plain bearing
3. 5879816 - Metallic sliding material
4. 5614036 - High heat resisting and high abrasion resisting aluminum alloy