Tetsu Yamamoto
40Patents
13h-index
44Co-inventors
81Inventor score
Filing activity: Feb 6, 1986 → Aug 9, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5463202A | Laser machining apparatus and method | Performing Operations; Transporting | 75 | Expired |
| US5079660A | Magnetic head suspension assembly for reducing vibration effects | Physics | 55 | Expired |
| US4740946A | Data converter pickup carriage assembly | Physics | 49 | Expired |
| US5189575A | Read/write head retract mechanism | Physics | 35 | Expired |
| US5640234A | Optical sensor for detection of chemical species | Physics | 34 | Expired |
| US5563707A | Interference enhanced optical sensor for detecting chemical species | Physics | 34 | Expired |
| US5644069A | Sensor for distinguishing fuel vapors | Physics | 23 | Expired |
| US5852128A | Acid-labile group protected hydroxystyrene polymers or copolymers thereof and their application to radiation sensitive materials | Chemistry; Metallurgy | 20 | Expired |
| US5783836A | Optical sensor apparatus for detecting vapor of organic solvent | Physics | 18 | Expired |
| US5099352A | Reflector oscillating apparatus | Physics | 17 | Expired |
| US5339208A | Assembly for supporting a magnetic head to float relative to a magnetic disk | Physics | 14 | Expired |
| US4940924A | Positioning control apparatus | Physics | 13 | Expired |
| US5305158A | Positioning control apparatus | Physics | 13 | Expired |
| US4862441A | Carriage assembly | Physics | 12 | Expired |
| US4823219A | Carriage recording head sandwiched by electromagnetic coil sections | Physics | 11 | Expired |
| US5130873A | Head positioning apparatus for disc unit | Physics | 9 | Expired |
| US4961118A | Document scanner driven by electromagnetic actuators | Electricity | 8 | Expired |
| US6706437B2 | Bipolar plates for fuel cell stacks | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4819110A | Disk drive head actuator and mounting arrangement therefor | Physics | 8 | Expired |
| US6790553B1 | Method for producing bridged polymer membrane and fuel cell | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4910486A | Electromagnetic drive actuator | Electricity | 7 | Expired |
| US7396615B1 | Method for production of polyelectrolyte membranes and fuel cell | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6352742B1 | Method for producing polymer electrolyte membrane and fuel cell | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5105419A | Carriage assembly | Physics | 4 | Expired |
| US9768917B2 | Communication control method, network system, and communication device | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.