Syoji Morimura
23Patents
9h-index
13Co-inventors
68Inventor score
Filing activity: Mar 12, 1973 → Aug 30, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3941744A | Piperidine derivatives and their use as stabilizers | Chemistry; Metallurgy | 31 | Expired |
| US3940363A | Piperidine derivatives and their use as stabilizers | Chemistry; Metallurgy | 25 | Expired |
| US4241208A | Piperidine derivatives | Chemistry; Metallurgy | 22 | Expired |
| US4321374A | Triazine derivatives | Chemistry; Metallurgy | 20 | Expired |
| US3975357A | Stabilized synthetic polymer compositions | Chemistry; Metallurgy | 17 | Expired |
| US3975462A | Piperidine-spiro-hydantoin derivatives and their use as stabilizers | Chemistry; Metallurgy | 14 | Expired |
| US4016168A | Piperidine derivatives | Chemistry; Metallurgy | 13 | Expired |
| US3984371A | Stabilization of synthetic polymers | Chemistry; Metallurgy | 10 | Expired |
| US4066615A | Polymer compositions containing piperidine derivatives as stabilizers | Chemistry; Metallurgy | 9 | Expired |
| US4265803A | Polymers containing polyalkylpiperidines and use thereof as stabilizers | Chemistry; Metallurgy | 8 | Expired |
| US4212974A | Piperidine derivatives | Chemistry; Metallurgy | 7 | Expired |
| US4125533A | Piperidine derivatives | Chemistry; Metallurgy | 7 | Expired |
| US4166813A | Polyalkylated 4-aminopiperidine derivatives | Chemistry; Metallurgy | 7 | Expired |
| US4118368A | Synthetic polymer stabilizers | Chemistry; Metallurgy | 7 | Expired |
| US4007158A | Novel piperidine derivatives for the stabilization of synthetic polymers | Chemistry; Metallurgy | 7 | Expired |
| US4237294A | 2,2,6,6-Tetramethylpiperidine derivatives | Chemistry; Metallurgy | 6 | Expired |
| US4055536A | 4,4'-Bipiperidylidene derivatives and their use as stabilizers | Chemistry; Metallurgy | 5 | Expired |
| US4061616A | Stabilization of synthetic polymers | Chemistry; Metallurgy | 5 | Expired |
| US3963730A | Process for preparing triacetonamine | Chemistry; Metallurgy | 4 | Expired |
| US4162246A | Hydantoin derivatives and their use as polymer stabilizers | Chemistry; Metallurgy | 3 | Expired |
| US3959298A | Process for preparing triacetonamine | Chemistry; Metallurgy | 3 | Expired |
| US4413076A | Polyalkylpiperdine side chain stabilizers for synthetic polymer compositions | Chemistry; Metallurgy | 3 | Expired |
| US4219465A | Piperidine-spiro-hydantoin derivatives and their use as polymer stabilizers | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.