Yoichi Kitamura
26Patents
7h-index
36Co-inventors
69Inventor score
Filing activity: May 1, 1979 → Feb 5, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD719472S1 | Multifunction measuring instrument | General | 15 | Active |
| US4916031A | Surface-treated steel plate and bonded structure of metal material | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4296182A | Can composed of electrolytically chromated steel | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4384657A | Side seam-coated tin-free steel welded can | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4701354A | Process for surface treatment of metal materials | Chemistry; Metallurgy | 10 | Expired |
| US4404447A | Method of manufacturing a welded can body | Performing Operations; Transporting | 8 | Expired |
| US5536986A | Spindle motor | Electricity | 7 | Expired |
| US4652715A | Method of making a welded can body | Performing Operations; Transporting | 6 | Expired |
| US4471883A | Welded can and process for preparation thereof | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4387830A | Side seam-coated tinplate welded can | Performing Operations; Transporting | 6 | Expired |
| US4282981A | Bright welded seam can of tinplate | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4392582A | Retortable bonded can | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8229387B2 | Even harmonic mixer | Electricity | 2 | Active |
| US4650700A | Method for surface treatment of metal blanks | Chemistry; Metallurgy | 2 | Expired |
| USD942201S1 | Vacuum flask | General | 2 | Active |
| US8240037B2 | Process for producing a circuit module | Emerging Cross-Sectional Technologies | 2 | Active |
| US6791439B2 | Connection structure for high-frequency circuit substrate, manufacturing method thereof and high frequency circuit device | Electricity | 2 | Expired |
| US10714838B2 | Array antenna apparatus and method of manufacturing the same | Electricity | 2 | Active |
| US4409456A | Welded can and process for preparation thereof | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11211710B2 | Array antenna apparatus and method for fabricating same | Electricity | 1 | Active |
| US4401874A | Method of welding tin-free steel can | Performing Operations; Transporting | 1 | Expired |
| US7738263B2 | Circuit module and process for producing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US8548416B2 | Semiconductor chip and radio frequency circuit | Electricity | 1 | Active |
| US8912453B2 | Electronic component package | Electricity | 0 | Active |
| US7763315B2 | Process for preparing a metal coating material comprising condensation polymerized resin nanoparticles | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.