MITSUI HIGH-TEC, INC.
185Patents
143Active
185Granted
54Portfolio score
Filing activity: Sep 28, 1984 → May 16, 2022 · 32 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5640047A | Ball grid assembly type semiconductor device having a heat diffusion function and an electric and magnetic shielding function | Electricity | 309 | Expired |
| US5717252A | Solder-ball connected semiconductor device with a recessed chip mounting area | Electricity | 93 | Expired |
| US5661086A | Process for manufacturing a plurality of strip lead frame semiconductor devices | Emerging Cross-Sectional Technologies | 87 | Expired |
| US6566740B2 | Lead frame for a semiconductor device and method of manufacturing a semiconductor device | Electricity | 66 | Expired |
| US6144764A | Method and apparatus for on-line handwritten input character recognition and recording medium for executing the method | Physics | 46 | Expired |
| US6388311B1 | Semiconductor device | Electricity | 44 | Expired |
| US7698803B2 | Method of manufacturing laminated core | Emerging Cross-Sectional Technologies | 26 | Active |
| US6563199B2 | Lead frame for semiconductor devices, a semiconductor device made using the lead frame | Electricity | 26 | Expired |
| US4597168A | Method and apparatus for producing laminated iron cores | Emerging Cross-Sectional Technologies | 24 | Expired |
| US8020280B2 | Rotor manufacturing method | Emerging Cross-Sectional Technologies | 23 | Active |
| US6700186B2 | Lead frame for a semiconductor device, a semiconductor device made from the lead frame, and a method of making a semiconductor device | Electricity | 20 | Expired |
| US8138650B2 | Rotor core having bridges connection magnetic pole and method of manufacturing the same | Emerging Cross-Sectional Technologies | 19 | Active |
| US6053667A | Carrying apparatus for spherical objects | Electricity | 18 | Expired |
| US7667367B2 | Laminated core and method for manufacturing the same | Electricity | 18 | Active |
| US7777387B2 | Laminated core and method for manufacturing the same | Emerging Cross-Sectional Technologies | 18 | Active |
| US6102629A | Apparatus for conveying spherical articles between atmospheres | Electricity | 17 | Expired |
| US7854056B2 | Production method of a rotor | Emerging Cross-Sectional Technologies | 17 | Active |
| US10348170B2 | Method for manufacturing a segmented laminated core | Electricity | 16 | Active |
| US6809409B2 | Lead frame and semiconductor device made using the lead frame | Electricity | 16 | Expired |
| US5539974A | Method for producing laminated iron cores | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7653984B2 | Method of resin sealing permanent magnets in laminated rotor core | Emerging Cross-Sectional Technologies | 14 | Active |
| US4704187A | Method of forming a lead frame | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7352101B2 | Skew shape variable laminated iron core and method of manufacturing the same | Electricity | 12 | Expired |
| US5614443A | Method of producing a frame made of connected semiconductor die mounting substrates | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7120985B2 | Manufacturing method of layered core | Emerging Cross-Sectional Technologies | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.