Average Co-Inventor Count = 1.67
ph-index = 7
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 Denki Kabushiki Kaisha (7 from 21,351 patents)
2. Sumitomo Seika Chemicals Co., Ltd. (4 from 302 patents)
3. Rokko Pearl Trading Co., Ltd. (3 from 3 patents)
4. Renesas Technology Corp. (2 from 3,781 patents)
5. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)
17 patents:
1. 12515191 - Particulate water-absorbent resin composition
2. 12246303 - Water-absorbing resin particles and absorbent article
3. 12150844 - Water absorbent resin particles
4. 11931718 - Water-absorbing resin particles
5. 7072204 - Semiconductor memory device having dummy word line
6. 7024886 - Ornament
7. 6903961 - Semiconductor memory device having twin-cell units
8. 6612130 - Necklace
9. 6477105 - Semiconductor memory device with a hierarchical word line configuration capable of preventing leakage current in a sub-word line driver
10. 6407942 - Semiconductor memory device with a hierarchical word line configuration capable of preventing leakage current in a sub-word line driver
11. 6349568 - Necklace
12. 6320333 - Color picture tube
13. 6061808 - Semiconductor memory device having a multibit test mode
14. 6003148 - Semiconductor memory device allowing repair of a defective memory cell
15. 5744998 - Internal voltage detecting circuit having superior responsibility