Kunio Matsui
34Patents
10h-index
64Co-inventors
78Inventor score
Filing activity: Jul 26, 1976 → Dec 1, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7048975B1 | Pulp molded container | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6865715B2 | Statistical method for extracting, and displaying keywords in forum/message board documents | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5151857A | Dictionary linked text base apparatus | Physics | 37 | Expired |
| US4390351A | Gas-liquid separator | Performing Operations; Transporting | 30 | Expired |
| US6057790A | Apparatus and method for data compression/expansion using block-based coding with top flag | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4290791A | Gas-liquid separator | Performing Operations; Transporting | 23 | Expired |
| US5842159A | Method of and apparatus for analyzing sentence | Physics | 15 | Expired |
| US4585465A | Method for causing bubbles in a fluid to coalesce | Performing Operations; Transporting | 13 | Expired |
| US5887644A | Roll cooling structure for twin roll continuous caster | Performing Operations; Transporting | 11 | Expired |
| US4883113A | Pouring device for dual-roll type continuous casting machine | Performing Operations; Transporting | 10 | Expired |
| US4694887A | Dual roll type continuous casting machine | Performing Operations; Transporting | 8 | Expired |
| US8173568B2 | Process for producing tertiary amine | Chemistry; Metallurgy | 7 | Expired |
| US4865115A | Pouring device for dual-roll type continuous casting machines | Performing Operations; Transporting | 7 | Expired |
| US7749357B2 | Molded sheet | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4986336A | Twin-roll type continuous casting machine | Performing Operations; Transporting | 4 | Expired |
| US5836376A | Method and apparatus for giving vibration to molten metal in twin roll continuous casting machine | Performing Operations; Transporting | 4 | Expired |
| US4784208A | Dual roll type continuous casting machine | Performing Operations; Transporting | 3 | Expired |
| US6833126B2 | Method and apparatus for reforming fuel | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6962623B2 | Hardened calcium silicate having high strength | Chemistry; Metallurgy | 3 | Expired |
| US4804037A | Dual-roll type continuous casting machine | Performing Operations; Transporting | 3 | Expired |
| US6464771B1 | Cured calcium silicate object with high strength | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7625464B2 | Method for producing heat-generating formed product | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US10682637B2 | Method for producing catalyst fibrous structure | Chemistry; Metallurgy | 1 | Active |
| US11171386B2 | Inorganic particles for nonaqueous electrolyte battery | Emerging Cross-Sectional Technologies | 1 | Active |
| US9132392B2 | Column contact apparatus and method for operating the same | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.