Shigeru Maruyama
61Patents
16h-index
70Co-inventors
87Inventor score
Filing activity: Mar 11, 1986 → Sep 23, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6596159B1 | Automatic regeneration valve for water softener | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5379634A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US5814423A | Transmission mask for charged particle beam exposure apparatuses, and an exposure apparatus using such a transmission mask | Electricity | 40 | Expired |
| US5924635A | Vibration isolating installation mechanism for a disposer | Fixed Constructions | 30 | Expired |
| US4739198A | Signal output circuit of a push-pull type | Electricity | 29 | Expired |
| US5528048A | Charged particle beam exposure system and method | Electricity | 26 | Expired |
| US5241937A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5614725A | Charged particle beam exposure system and method | Electricity | 23 | Expired |
| US6646275B2 | Charged particle beam exposure system and method | Electricity | 22 | Expired |
| US5419300A | Ignition coil unit with ignition voltage detective capacitor for internal combustion engine | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5215067A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5755989A | Wet etching composition having excellent wetting property for semiconductors | Electricity | 19 | Expired |
| US5977548A | Charged particle beam exposure system and method | Electricity | 17 | Expired |
| US5487676A | Spark plug cap with ignition voltage detective capacitor for internal combustion engine | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6118129A | Method and system for exposing an exposure pattern on an object by a charged particle beam which is shaped into a plurality of beam elements | Electricity | 16 | Expired |
| US5226394A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4948983A | Alignment of mask and semiconductor wafer using linear fresnel zone plate | Physics | 16 | Expired |
| US5782730A | Pressure roller | Physics | 16 | Expired |
| US5388560A | Misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5418461A | Device for detecting abnormality of spark plugs for internal combustion engines and a misfire-detecting system incorporating the same | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5349299A | Fuel supply misfire-detecting system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6486479B1 | Charged particle beam exposure system and method | Electricity | 12 | Expired |
| US5327090A | Misfire-detecting system for an internal combustion engine which detects a misfire due to the fuel supply system | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5391100A | Method of manufacturing of spark plug cap with ignition voltage detective capacitor | Electricity | 10 | Expired |
| US5920077A | Charged particle beam exposure system | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.