Shigeru Tanaka
332Patents
39h-index
406Co-inventors
93Inventor score
Filing activity: Sep 19, 1974 → Jan 29, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4867629A | Dusttight storage cabinet apparatus for use in clean rooms | Emerging Cross-Sectional Technologies | 386 | Expired |
| US4491386A | Optical fiber cable and process for production thereof | Physics | 245 | Expired |
| US6860892B1 | Specially shaped balloon device for use in surgery and method of use | Human Necessities | 240 | Expired |
| US5607443A | Expansible tunneling apparatus for creating an anatomic working space with laparoscopic observation | Human Necessities | 221 | Expired |
| US6264604A | Apparatus and method for developing an anatomic space for laparoscopic procedures with laparoscopic visualization | Human Necessities | 217 | Expired |
| US6540694B1 | Device for biopsy tumors | Human Necessities | 216 | Expired |
| US6551255B2 | Device for biopsy of tumors | Human Necessities | 212 | Expired |
| US5751837A | X-ray CT scanner system having a plurality of x-ray scanner apparatus | Physics | 133 | Expired |
| US5630822A | Laparoscopic tissue removal device | Human Necessities | 107 | Expired |
| US8753345B2 | Vertebral joint implants and delivery tools | Electricity | 87 | Active |
| US6266467A | Optical fiber and optical transmission system including the same | Physics | 69 | Expired |
| US9204885B2 | Drill with depth measurement system | Human Necessities | 67 | Active |
| US8623054B2 | Vertebral joint implants and delivery tools | Electricity | 65 | Active |
| US8753347B2 | Vertebral joint implants and delivery tools | Electricity | 65 | Active |
| US8828062B2 | Vertebral joint implants and delivery tools | Electricity | 65 | Active |
| US4731057A | Transfusion apparatus | Human Necessities | 64 | Expired |
| US4545453A | Automatic running work vehicle | Emerging Cross-Sectional Technologies | 61 | Expired |
| US8425558B2 | Vertebral joint implants and delivery tools | Electricity | 60 | Active |
| US7311672B2 | Device for biopsy of tumors | Human Necessities | 59 | Expired |
| US5808944A | Semiconductor memory device having a defect relief arrangement | Physics | 57 | Expired |
| US6015421A | Apparatus and method for developing an anatomic space for laparoscopic procedures | Human Necessities | 52 | Expired |
| US9370372B2 | Drill bit penetration measurement systems and methods | Human Necessities | 52 | Active |
| US6168608A | Apparatus and method for developing an anatomic space for laparoscopic procedures | Human Necessities | 52 | Expired |
| US6106933A | Transparent gas barrier biaxially oriented polypropylene film, a laminate film, and a production method thereof | Emerging Cross-Sectional Technologies | 51 | Expired |
| US9358016B2 | Drill with depth measurement system | Human Necessities | 49 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.