Hajime Nagahara
18Patents
5h-index
22Co-inventors
66Inventor score
Filing activity: Apr 30, 1979 → Mar 30, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7088516B2 | Wide field of view head mounted display device | Physics | 39 | Expired |
| US4734536A | Process for producing cycloolefins | Chemistry; Metallurgy | 22 | Expired |
| US7435842B2 | Process for producing carbonic ester | Chemistry; Metallurgy | 9 | Expired |
| US5952410A | Polyacetal resin composition exhibiting high retentivity of mechanical strengths | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4226967A | Highly charge-transferable polycondensation polymer and process for preparation | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6130280A | High-rigidity oxymethylene polymer resin molding | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6989444B2 | Process for producing lactam | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6365655B1 | Process for stabilizing oxymethylene copolymer | Chemistry; Metallurgy | 5 | Expired |
| US5656761A | Method for pretreating a catalyst slurry and a method for the continuous partial hydrogenation of a monocyclic aromatic hydrocarbon by using the pretreated catalyst slurry | Chemistry; Metallurgy | 5 | Expired |
| US7091381B2 | Process for preparation of cyclohexanone oxime | Chemistry; Metallurgy | 2 | Expired |
| US6849765B2 | Process for producing cyclohexanone oxime | Chemistry; Metallurgy | 1 | Expired |
| US6930204B2 | Process for producing a cyclic aliphatic oxime | Chemistry; Metallurgy | 1 | Expired |
| US8773570B2 | Image processing apparatus and image processing method | Physics | 1 | Active |
| US8034976B2 | Nitrogen-containing carbon material and method of producing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US8956837B2 | Method for producing glycolic acid | Chemistry; Metallurgy | 0 | Active |
| US8994869B2 | Image processing apparatus and image processing method | Physics | 0 | Active |
| US11344233B2 | Hemoglobin quantification device, hemoglobin quantification method, hemoglobin quantification program, and surgical assistance device | Human Necessities | 0 | Active |
| US8106238B2 | Method for producing glycolic acid | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.