Hitachi Techno Engineering Co., Ltd.
46Patents
0Active
46Granted
37Portfolio score
Filing activity: Jun 6, 1986 → Nov 27, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5932012A | Paste applicator having positioning means | Performing Operations; Transporting | 61 | Expired |
| US5800314A | User-motion-response type exercise equipment | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5716207A | Heating furnace | Electricity | 46 | Expired |
| US4981074A | Method and apparatus for screen printing | Performing Operations; Transporting | 45 | Expired |
| US5558015A | Hot press with pressure vessels to uniformly distribute pressure to the work piece | Electricity | 41 | Expired |
| US5176078A | Screen printing machine | Electricity | 40 | Expired |
| US5297480A | High vacuum hot press | Electricity | 35 | Expired |
| US5437727A | Apparatus for drawing paste pattern on substrate | Electricity | 25 | Expired |
| US5496433A | Hot press for use in production of multilayered substrate | Electricity | 25 | Expired |
| US5177528A | Aligning apparatus for substrate | Electricity | 24 | Expired |
| US6237484A | Screen printing apparatus | Performing Operations; Transporting | 23 | Expired |
| US5332439A | Screen printing apparatus for filling through-holes in circuit board with paste | Electricity | 23 | Expired |
| US5231339A | Control device for induction motor | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5197384A | Screen printer | Electricity | 22 | Expired |
| US5555798A | Hot press for producing a multilayered substrate | Electricity | 22 | Expired |
| US5182121A | Hot press | Electricity | 21 | Expired |
| US5415693A | Paste applicator | Electricity | 20 | Expired |
| US5163599A | Reflow soldering apparatus | Performing Operations; Transporting | 19 | Expired |
| US5578159A | Hot press for producing multilayer circuit board | Electricity | 18 | Expired |
| US4996781A | Vapor reflow type soldering apparatus with an improved flux separating unit | Performing Operations; Transporting | 17 | Expired |
| US6156090A | Air cleaner having vanes with a winglike cross-section between a shroud and baseplate for rotation within a housing | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5176076A | Screen printer | Electricity | 16 | Expired |
| US5358166A | Reflow soldering apparatus | Performing Operations; Transporting | 15 | Expired |
| US6204237A | Glycol-based cleaning solvent | Chemistry; Metallurgy | 15 | Expired |
| US5038496A | Vapor reflow type soldering apparatus | Performing Operations; Transporting | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.