Kotaro Yamaguchi
55Patents
14h-index
55Co-inventors
87Inventor score
Filing activity: Mar 4, 1992 → Dec 6, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6008884A | Projection lens system and apparatus | Physics | 51 | Expired |
| US5832301A | Printer server system for interrupting a job from a first terminal for a job from a second terminal based on detected priorities | Physics | 43 | Expired |
| US6791703B1 | Image processing apparatus and method, and storage medium therefor | Electricity | 40 | Expired |
| US7603409B2 | Providing an album to a communication terminal via a network | Physics | 40 | Expired |
| US5930049A | Projection optical system and method of using such system for manufacturing devices | Physics | 34 | Expired |
| US7079314B1 | Catadioptric optical system and exposure apparatus equipped with the same | Physics | 30 | Expired |
| US6094276A | Printer server system and printout method | Physics | 25 | Expired |
| US7284040B2 | Information processing apparatus for providing image to communication terminal and control method therefor | Electricity | 22 | Expired |
| US7274483B2 | Processing of print data received over a network, and image formation using the processed data | Physics | 17 | Expired |
| US7262922B2 | Immersion microscope objective lens | Physics | 17 | Expired |
| US6090598A | Enzymatic process for interesterification of fats and oils using distillation | Chemistry; Metallurgy | 16 | Expired |
| US5271950A | Chocolate and chocolate-utilizing food | Human Necessities | 15 | Expired |
| US6519092B2 | Immersion microscope objective lens | Physics | 14 | Expired |
| US7766345B2 | Telescopic actuator | Emerging Cross-Sectional Technologies | 14 | Active |
| US7871084B2 | Telescopic actuator | Emerging Cross-Sectional Technologies | 9 | Active |
| US7046451B2 | Immersion microscope objective lens | Physics | 9 | Expired |
| US7997596B2 | Actuator for vehicle | Performing Operations; Transporting | 8 | Active |
| US7519656B2 | Information processing system, information processing apparatus, information processing method, storage medium that stores program for implementing that method to be readable by information processing apparatus, and program | Electricity | 7 | Expired |
| US7950301B2 | Feed screw mechanism | Emerging Cross-Sectional Technologies | 7 | Active |
| US8082323B2 | Monitoring host apparatus, image forming apparatus, and access control method for access to their web pages | Electricity | 7 | Active |
| US7389057B2 | Image forming apparatus monitoring system and method, program and storage medium | Electricity | 7 | Active |
| US7766350B2 | Telescopic actuator | Performing Operations; Transporting | 6 | Active |
| US7409431B2 | Server apparatus, communications method, program for making computer execute the communications method, and computer-readable storage medium containing the program | Electricity | 5 | Expired |
| US5861996A | Objective lens system for a microscope | Physics | 4 | Expired |
| US7057757B2 | E-mail printing apparatus and method and e-mail printing program | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.