Average Co-Inventor Count = 3.28
ph-index = 12
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. Argus Chemical Corporation (43 from 114 patents)
2. Adeka Argus Chemical Co., Ltd. (26 from 93 patents)
3. Other (3 from 832,680 patents)
4. Phoenix Chemical Inc. (2 from 8 patents)
5. Kyoto University (1 from 814 patents)
74 patents:
1. 4885323 - Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol
2. 4820844 - Radiation sensitizer
3. 4798836 - Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers for
4. 4743688 - Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol
5. 4698381 - N,N',N'-tris((2,2,6,6-tetramethyl-4-piperidyl)triazinyl) undecane
6. 4673701 - Alkylidene bisphenol phosphites and phosphates having
7. 4623685 - Thermosetting synthetic resin lacquer compositions of improved light
8. 4529760 - Oligomers of 2,2,6,6-tetramethylpiperidinol polycarboxylic acid esters
9. 4525506 - Polyhydric alcohol ethers of 2,2,6,6-tetramethyl-4-piperidone ketals and
10. 4500663 - Light stabilizing N,N,N-tris(2,2,6,6-tetramethyl-4-piperidone
11. 4499220 - Copolymer light stabilizers having at least one 2,2,6,6-tetraalkyl
12. 4491643 - Bis(2,2,6,6-tetramethylpiperidyl-1,3,5-triazinyl)-spirodiamines and
13. 4477616 - Tetra-(2,2,6,6-
14. 4469828 - Alkylthiopropionyl hydrazino triazines and synthetic resin compositions
15. 4468488 - Poly(piperidylamine) alkanes and synthetic resin compositions stabilized