Tohru Takekoshi
61Patents
21h-index
33Co-inventors
88Inventor score
Filing activity: Feb 6, 1974 → Jan 10, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5707439A | Layered minerals and compositions comprising the same | Chemistry; Metallurgy | 88 | Expired |
| US5530052A | Layered minerals and compositions comprising the same | Chemistry; Metallurgy | 88 | Expired |
| US5407984A | Process for preparing macrocyclic polyester oligomers | Chemistry; Metallurgy | 59 | Expired |
| US4769424A | Polyarylene sulfide block copolymers, method for making, and use | Chemistry; Metallurgy | 53 | Expired |
| US6369157B1 | Blend material including macrocyclic polyester oligomers and processes for polymerizing the same | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5527976A | Method for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomers | Chemistry; Metallurgy | 47 | Expired |
| US6420047B2 | Macrocyclic polyester oligomers and processes for polymerizing the same | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5591800A | Method for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomers | Chemistry; Metallurgy | 37 | Expired |
| US5710086A | Titanate catalysts | Performing Operations; Transporting | 35 | Expired |
| US3957862A | Method of making aromatic bis(ether ortho phthalic acid)s | Chemistry; Metallurgy | 34 | Expired |
| US5386037A | Trisstannoxanes useful for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomers | Chemistry; Metallurgy | 33 | Expired |
| US5387666A | Branched polyesters prepared from macrocyclic poly(Alkylene Dicarboxylate) oligomers | Chemistry; Metallurgy | 32 | Expired |
| US5389719A | Method for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomers | Chemistry; Metallurgy | 32 | Expired |
| US4302575A | Heat curable polyimides | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4128574A | Method for making organic polycarboxylic acids | Chemistry; Metallurgy | 27 | Expired |
| US4011198A | Method for making polyetherimides | Chemistry; Metallurgy | 26 | Expired |
| US4324882A | Method for making polyimides | Chemistry; Metallurgy | 26 | Expired |
| US6639009B2 | Macrocyclic polyester oligomers and processes for polymerizing the same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6960626B2 | Intimate physical mixtures containing macrocyclic polyester oligomer and filler | Chemistry; Metallurgy | 24 | Expired |
| US3991004A | Method for making polyetherimide | Chemistry; Metallurgy | 23 | Expired |
| US4281100A | Injection moldable polyetherimide oligomers and method for making | Chemistry; Metallurgy | 21 | Expired |
| US5122578A | Polyphenylene ether-polyarylene sulfide compositions | Chemistry; Metallurgy | 21 | Expired |
| US5773502A | Fire retardant blends | Chemistry; Metallurgy | 20 | Expired |
| US5015704A | Reactively capped polyarylene sulfide and method and intermediates for their preparation | Chemistry; Metallurgy | 20 | Expired |
| US4760117A | Method for preparing copolycarbonates from cyclic polycarbonate oligomers | Chemistry; Metallurgy | 20 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.