Yoshinori Ishizawa
28Patents
11h-index
25Co-inventors
75Inventor score
Filing activity: Oct 26, 1990 → Jun 19, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5873510A | Repetitive striking type pneumatically operated nail gun | Performing Operations; Transporting | 103 | Expired |
| US6006975A | Pneumatically operated nail driver | Performing Operations; Transporting | 51 | Expired |
| US5647525A | Driver blade for a percussion tool | Performing Operations; Transporting | 45 | Expired |
| US5090606A | Combustion gas powered fastener driving tool | Performing Operations; Transporting | 44 | Expired |
| USD466781S1 | Pneumatic nailing machine | General | 41 | Expired |
| US5495973A | Nail gun having safety device for preventing accidental firings | Performing Operations; Transporting | 26 | Expired |
| US6779699B2 | Pneumatically operated nail gun having cylinder floating prevention arrangement | Performing Operations; Transporting | 21 | Expired |
| US5775201A | Piston arrangement for a percussion tool | Performing Operations; Transporting | 20 | Expired |
| USD432882S | Pneumatic nailing machine | General | 13 | Expired |
| US7299959B2 | Urged magazine for a fastener driving tool | Performing Operations; Transporting | 12 | Expired |
| US7243831B2 | Fastener driving tool | Performing Operations; Transporting | 12 | Expired |
| US6783050B2 | Nail gun provided with duster function | Performing Operations; Transporting | 10 | Expired |
| US7441683B2 | Fastener driving tool | Performing Operations; Transporting | 10 | Expired |
| US7322505B2 | Nail gun provided with duster function | Performing Operations; Transporting | 9 | Expired |
| US7325709B2 | Fastener driving tool and magazine device | Performing Operations; Transporting | 9 | Expired |
| US7014089B2 | Trigger valve apparatus for pneumatic tool | Performing Operations; Transporting | 8 | Expired |
| US6745928B2 | Trigger valve apparatus for pneumatic tool | Performing Operations; Transporting | 8 | Expired |
| USD519809S1 | Portable pneumatic nailer | General | 8 | Expired |
| US8066165B2 | Fastener driving tool | Performing Operations; Transporting | 7 | Active |
| US7757921B2 | Driving machine | Performing Operations; Transporting | 4 | Active |
| US9967920B2 | Electric device outputting light, wind, heat or sound | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7156012B2 | Pneumatically operated fastener driving tool | Performing Operations; Transporting | 3 | Expired |
| US7398647B2 | Pneumatically operated fastener driving tool | Performing Operations; Transporting | 3 | Active |
| US7322501B2 | Fastener driving tool | Performing Operations; Transporting | 2 | Expired |
| US7395953B2 | Fastener driving tool | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.