Hiromasa Suzuki
125Patents
17h-index
195Co-inventors
89Inventor score
Filing activity: May 5, 1983 → Jul 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5305759A | Examined body interior information observing apparatus by using photo-pulses controlling gains for depths | Human Necessities | 245 | Expired |
| US4862873A | Stereo endoscope | Electricity | 189 | Expired |
| US4901142A | Video scope system | Electricity | 86 | Expired |
| US5541394A | Delivery service management system | Physics | 81 | Expired |
| US4862872A | Endoscope and endoscope washing apparatus | Emerging Cross-Sectional Technologies | 75 | Expired |
| US5140265A | Eddy current flaw detecting endoscope apparatus which produces signals which control other devices | Physics | 58 | Expired |
| US4803550A | Imaging apparatus having illumination means | Electricity | 45 | Expired |
| US4879992A | Rigid electronic endoscope | Human Necessities | 42 | Expired |
| US5827020A | Numerical control apparatus | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5804152A | Method for purifying exhaust gases | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5849254A | Method for purifying exhaust gases with two layer catalyst in oxygen-rich atmosphere | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5715448A | Open database system wherein access by subscribers to a network is limited | Physics | 25 | Expired |
| US6159897A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4983019A | Endoscope light source apparatus | Physics | 23 | Expired |
| US6112711A | Valve performance control apparatus for internal combustion engines | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6444348B1 | Battery sealing plate coated with protective film and battery sealed with the same | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6217831A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 19 | Expired |
| US9579633B2 | Catalytic converter | Emerging Cross-Sectional Technologies | 16 | Active |
| US5968462A | Process for purifying exhaust gases | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6418599B2 | Setting apparatus for blind rivets or the like | Emerging Cross-Sectional Technologies | 14 | Expired |
| US10576420B2 | Exhaust gas purifying catalyst | Emerging Cross-Sectional Technologies | 14 | Active |
| US5575983A | Catalyst for purifying exhaust gases and process for purifying exhaust gases | Emerging Cross-Sectional Technologies | 13 | Expired |
| US10556223B2 | Exhaust gas purifying catalyst | Emerging Cross-Sectional Technologies | 12 | Active |
| US5803029A | Valve performance controller for internal combustion engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US9105058B2 | Receipt data processing device and method for processing receipt data | Physics | 10 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.