Koichi Ozawa
11Patents
6h-index
25Co-inventors
66Inventor score
Filing activity: May 23, 1984 → Jul 29, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4646977A | Spray nozzle | Performing Operations; Transporting | 24 | Expired |
| US4810181A | Injection molding apparatus with alternately moved metal molds | Performing Operations; Transporting | 19 | Expired |
| US5204462A | 4H-3,1-benzoxazin-4-one derivative | Human Necessities | 10 | Expired |
| US5968906A | Sucralfate preparations | Human Necessities | 7 | Expired |
| US5665264A | Submerged nozzle mounting/dismounting apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5718923A | Melt granulated sucralfate preparations and a process for their production | Human Necessities | 6 | Expired |
| US5182117A | Heating and cooling unit | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5333671A | Thickness adjustable mold for continuous casting | Performing Operations; Transporting | 3 | Expired |
| US9632213B2 | Optical compensation film | General | 0 | Revoked |
| US5346382A | Hot runner exchange apparatus for use in an injection molding machine | Performing Operations; Transporting | 0 | Expired |
| US8742046B2 | Maleimide copolymer, process for the production thereof, and heat resistant resin compositions containing same | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.