Yuji Tanaka
235Patents
18h-index
431Co-inventors
89Inventor score
Filing activity: Jun 5, 1975 → Feb 22, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6183872A | Silicon-containing organic fluoropolymers and use of the same | Emerging Cross-Sectional Technologies | 119 | Expired |
| US6091660A | Semiconductor integrated circuit device | Physics | 97 | Expired |
| US6314044A | Semiconductor integrated circuit device | Physics | 72 | Expired |
| US5748214A | Ink jet recording head | Performing Operations; Transporting | 57 | Expired |
| US5872583A | Using fusible films having windows supplied with adhesive and gap material | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6751716B2 | Semiconductor storage device, control device, and electronic apparatus | Physics | 29 | Expired |
| US5048786A | Power seat slider driving mechanism | Performing Operations; Transporting | 28 | Expired |
| US4904003A | Latch device for inclinable back rest cushion mounted in seatback | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5805181A | Storage case for storing an ink jet printing unit, the ink jet printing unit including an ink jet recording head and cartridge | Performing Operations; Transporting | 28 | Expired |
| US4991907A | Automobile seat head rest device | Performing Operations; Transporting | 24 | Expired |
| US4635890A | Lock mechanism for adjustable seat | Performing Operations; Transporting | 22 | Expired |
| US6524052B1 | Electronic parts-feeding tray feeder and electronic parts-feeding method | Electricity | 21 | Expired |
| US6098838A | Bulk feeder | Electricity | 21 | Expired |
| US6015147A | Paper sheet manipulating apparatus and paper sheet transaction apparatus | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5238492A | Pigment and process for producing the same | Chemistry; Metallurgy | 20 | Expired |
| US4572049A | Electric guitar provided with tremolo unit | Physics | 19 | Expired |
| US4740940A | Optical information read apparatus | Physics | 19 | Expired |
| US6301184A | Semiconductor integrated circuit device having an improved operation control for a dynamic memory | Physics | 19 | Expired |
| US7648526B2 | Extendable soft stent with excellent follow-up capability to blood vessel | Human Necessities | 18 | Expired |
| US6502929B1 | Laminated ink jet recording head having a plurality of actuator units | Performing Operations; Transporting | 18 | Expired |
| US5176866A | Process for producing a resin product having a bent hollow portion and a core usable for the same process | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6468243B1 | Balloon catheter | Human Necessities | 17 | Expired |
| US4880264A | Latch device for inclinable back rest cushion mounted in seatback | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5763061A | Antireflection filter | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5684520A | Ink jet recording head in which an actuator is offset from a center of an effective displacement region of a vibration plate | Performing Operations; Transporting | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.