Teruo Murakami
21Patents
11h-index
41Co-inventors
75Inventor score
Filing activity: Jan 3, 1980 → May 29, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6158844A | Ink-jet recording system using electrostatic force to expel ink | Performing Operations; Transporting | 61 | Expired |
| US6724521B2 | Electrophoresis display device | Physics | 53 | Expired |
| US4530018A | Information recording/reproducing apparatus with disk having sections of different angular velocity | Physics | 46 | Expired |
| US5268887A | Optical recording medium having offset-compensating areas | Physics | 33 | Expired |
| US6092889A | Ink-jet head and ink-jet recording device each having a protruded-type electrode | Performing Operations; Transporting | 27 | Expired |
| US5475210A | Noise reduction system for optical record and reproduction apparatus using auto-power controlled semiconductor laser device | Electricity | 22 | Expired |
| US4841502A | Information recording system and reproducing for recording and reproducing information on a magneto-optical disk | Physics | 22 | Expired |
| US4330205A | Optical apparatus for measuring the size and location of optical in an article | Physics | 19 | Expired |
| US4334233A | Optical recording element and its manufacturing method | Physics | 18 | Expired |
| US4512006A | Optical type information read/write apparatus | Physics | 17 | Expired |
| US4481620A | Pregrooved optical-disk | Physics | 13 | Expired |
| US4926408A | Magneto-optic recording/erasing system with simultaneous dual head control and disk error detection | Physics | 11 | Expired |
| US5835113A | Ink jet printing apparatus with controlled compression and ejection of colorants in liquid ink | Performing Operations; Transporting | 9 | Expired |
| US6123415A | Ink jet recording apparatus | Performing Operations; Transporting | 8 | Expired |
| US6731111B2 | Validity determination using magnetic ink having magnetic powders with different Curie temperatures | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5852453A | Ink-jet printer | Performing Operations; Transporting | 3 | Expired |
| US7086599B2 | Information recording medium, reproduction method, and discrimination method | Physics | 2 | Expired |
| US6545466B2 | MAGNETIC POWDER FOR VALIDITY DETERMINING INK, MANUFACTURING METHOD FOR MAGNETIC POWDER FOR VALIDITY DETERMINING INK, MAGNETIC INK FOR VALIDITY DETERMINATION, PRINTING MEMBER FOR VALIDITY DETERMINATION, DETECTING DEVICE FOR PRINTING MEMBER FOR VALIDITY DETERMINATION, AND VALIDITY DETERMINATION DEVICE | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6869700B2 | Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5306682A | Process for the regeneration of coke-deposited, crystalline silicate catalyst | Performing Operations; Transporting | 1 | Expired |
| US6610425B2 | Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.