Average Co-Inventor Count = 3.73
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. Research Development Corporation of Japan (3 from 255 patents)
2. Other (2 from 832,843 patents)
3. Otsuka Chemical Co., Ltd. (2 from 167 patents)
4. Otsuka Kagaku Kabushiki Kaisha (2 from 138 patents)
5. Nikon Corporation (1 from 8,898 patents)
6. Chugai Boyeki Co., Ltd. (1 from 1 patent)
7 patents:
1. 5376478 - Lithium secondary battery of vanadium pentoxide and polyphosphazene
2. 4865948 - Optical recording material, process for preparing the same and optical
3. 4806265 - Amorphous ferromagnetic oxides
4. 4636806 - Recording medium
5. 4380568 - Flame retardant heat insulating composition and method for preparing the
6. 4247332 - Flame retarder having anti-blooming property
7. 4239542 - Water-soluble flame retarder and process for preparing the same