Takeshi Sakuma
64Patents
12h-index
79Co-inventors
87Inventor score
Filing activity: Jun 20, 1986 → Mar 21, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6506253B2 | Photo-excited gas processing apparatus for semiconductor process | Electricity | 490 | Expired |
| US6479801B1 | Temperature measuring method, temperature control method and processing apparatus | Physics | 45 | Expired |
| US5931954A | I/O control apparatus having check recovery function | Physics | 40 | Expired |
| US6437290B1 | Heat treatment apparatus having a thin light-transmitting window | Chemistry; Metallurgy | 25 | Expired |
| US6537422B2 | Single-substrate-heat-processing apparatus for semiconductor process | Electricity | 24 | Expired |
| US6473993B1 | Thermal treatment method and apparatus | Electricity | 22 | Expired |
| US4997539A | Method and apparatus for producing a magnetic recording medium | Physics | 20 | Expired |
| US6359424B2 | Switching circuit for generating pulsed power | Electricity | 19 | Expired |
| US7635824B2 | Plasma generating electrode, plasma generation device, and exhaust gas purifying device | Emerging Cross-Sectional Technologies | 18 | Active |
| US5367704A | Method and system for limiting program utilization period in computer | Physics | 16 | Expired |
| US7977955B2 | Particulate matter sensor | Mechanical Engineering; Lighting; Heating | 14 | Active |
| US6876816B2 | Heating device, heat treatment apparatus having the heating device and method for controlling heat treatment | Electricity | 14 | Expired |
| US7540923B2 | Shower head structure for processing semiconductor | Electricity | 12 | Expired |
| US8176768B2 | Particulate matter detection device | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US6891131B2 | Thermal processing system | Electricity | 11 | Expired |
| US8366813B2 | Particulate matter detection device | Physics | 8 | Active |
| US4738298A | Process for casting cylinder block blanks made of light alloy | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6641302B2 | Thermal process apparatus for a semiconductor substrate | Physics | 8 | Expired |
| US4766944A | Process for casting fiber-reinforced metal body | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US8382884B2 | Particulate matter detection device | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US7084528B2 | High-voltage pulse generating circuit | Electricity | 6 | Expired |
| US7862649B2 | Particulate matter detection device and particulate matter detection method | Emerging Cross-Sectional Technologies | 6 | Active |
| US5878202A | I/O device having check recovery function | Physics | 5 | Expired |
| US7772855B2 | Instrument for measuring concentration of particulates in fluid, measuring method, and measuring program | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US7146559B2 | Information terminal device | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.