Ryuichi Ishida
18Patents
4h-index
31Co-inventors
60Inventor score
Filing activity: Sep 30, 1974 → Nov 24, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4563306A | Peptides and process for preparing the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4413006A | N-Aryl-N-phenoxy-alkyl-piperazine compounds useful in decreasing intracranial pressure | Chemistry; Metallurgy | 6 | Expired |
| US8349245B2 | Vehicle interior panel and producing method thereof | Performing Operations; Transporting | 4 | Active |
| US4711878A | Novel peptides and processes for preparing the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4839360A | Lactam derivatives | Chemistry; Metallurgy | 4 | Expired |
| US4228168A | Azepino [1,2,3-lm]-.beta.-carboline compounds and pharmaceutical composition thereof | Chemistry; Metallurgy | 4 | Expired |
| US4714702A | Quinazolinone derivative | Human Necessities | 3 | Expired |
| US4665056A | Dihydroorotic acid derivative and processes for preparing the same | Chemistry; Metallurgy | 2 | Expired |
| US9180619B2 | Method for producing duct-integrated floor-raising material | Performing Operations; Transporting | 1 | Active |
| US3966731A | 2-Fluoromethyl-3-o-tolyl-6-amino-4(3H)-quinazolinone | Chemistry; Metallurgy | 1 | Expired |
| US8808818B2 | Molded foam | Emerging Cross-Sectional Technologies | 0 | Active |
| US4721714A | Anti-vertigo drug | Human Necessities | 0 | Expired |
| US10974436B2 | Foamed structure, resin panel, method of manufacturing resin panel, method of manufacturing resin laminated body and foamed body | Performing Operations; Transporting | 0 | Active |
| US11524430B2 | Structure, and method for manufacturing same | Performing Operations; Transporting | 0 | Active |
| US4367230A | Novel triazafluoranthene compound and processes for preparing the same | Chemistry; Metallurgy | 0 | Expired |
| US11994159B2 | Resin panel, structure, and method for manufacturing same | Emerging Cross-Sectional Technologies | 0 | Active |
| US5017455A | Process for recovering support from photographic film | Physics | 0 | Expired |
| US12337522B2 | Panel manufacturing method | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.