Average Co-Inventor Count = 5.14
ph-index = 5
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. Kyowa Hakko Kogyo Co., Ltd. (5 from 730 patents)
2. Kabushikikaisha Matsui Seisakusho (3 from 33 patents)
3. Matsui Manufacturing Co., Ltd. (2 from 15 patents)
6 patents:
1. 5700492 - Rotary-type tabletting machine with lubricant spraying means
2. 5525015 - Pneumatic transport system for powdered materials
3. 5504972 - Method and apparatus for removing deposits adhering on materials
4. 5442826 - Apparatus for cleaning the inside of a pipe
5. 5211514 - Transport plug for use in pneumatically transporting solid materials and
6. 5150990 - High density pneumatic transport system for use with solid materials