Kaoru Ohba
12Patents
4h-index
22Co-inventors
60Inventor score
Filing activity: Dec 31, 1990 → Apr 27, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5070174A | Polyamide epoxy ester resin, process for preparation thereof and coating composition | Chemistry; Metallurgy | 10 | Expired |
| US6420093B1 | Toughened benzocyclobutene based polymers and their use in building-up printed wiring boards | Electricity | 6 | Expired |
| US5223558A | Process for preparation of high-molecular-weight epoxy dimer acid ester resin | Chemistry; Metallurgy | 5 | Expired |
| US6670101B2 | Toughened benzocyclobutene based polymers and their use in building-up printed wiring boards | Electricity | 5 | Expired |
| US10487178B2 | DMPA-based solvent systems for the synthesis of poly (amic acid) and polyimide polymers | Chemistry; Metallurgy | 1 | Active |
| US10913058B2 | Purification process for hydrolysable organic solvent | Chemistry; Metallurgy | 1 | Active |
| US11581527B2 | Ethyl cellulose as a dispersant for lithium ion battery cathode production | Emerging Cross-Sectional Technologies | 1 | Active |
| US11016392B2 | Amide combinations for cleaning and stripping of electronic parts | Physics | 0 | Active |
| US11349115B2 | Solvent systems for use in lithium ion battery production | Emerging Cross-Sectional Technologies | 0 | Active |
| US10982047B2 | Solvent systems for synthesis of poly(amic acid) and polyimide polymers | Chemistry; Metallurgy | 0 | Active |
| US11759774B2 | Purification process for hydrophilic organic solvent | Chemistry; Metallurgy | 0 | Active |
| US10731114B2 | Sulfoxide/glycol ether based solvents for use in the electronics industry | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.