Washizuka; Isamu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Washizuka; Isamu.The latest application filed is for "liquid crystal display".
- Washizuka; Isamu - Soraku JP
- Washizuka; Isamu - Kyoto JP
- Washizuka; Isamu - Osaka JA
- Washizuka; Isamu - Osaka-shi JA
| Patent | Date |
|---|---|
| Liquid crystal display Grant 5,058,996 - Washizuka , et al. October 22, 1 | 1991-10-22 |
| Letter input device for electronic word retrieval device Grant 4,912,462 - Washizuka , et al. March 27, 1 | 1990-03-27 |
| Liquid crystal display device for both inputting and outputting information Grant 4,875,036 - Washizuka , et al. October 17, 1 | 1989-10-17 |
| Pocketbook type electronic apparatus Grant 4,760,918 - Washizuka , et al. August 2, 1 | 1988-08-02 |
| Ornamental display device for electronic dictionary Grant 4,740,913 - Washizuka , et al. April 26, 1 | 1988-04-26 |
| Audio output device with speech synthesis technique Grant 4,701,862 - Washizuka , et al. October 20, 1 | 1987-10-20 |
| Key input device Grant 4,692,740 - Washizuka , et al. September 8, 1 | 1987-09-08 |
| Liquid crystal display with chip projecting above and below flexible film Grant 4,655,551 - Washizuka , et al. April 7, 1 | 1987-04-07 |
| Electronic translator with means for selecting words to be translated Grant 4,648,070 - Washizuka March 3, 1 | 1987-03-03 |
| Portable audio-visual electronic apparatus Grant 4,639,225 - Washizuka January 27, 1 | 1987-01-27 |
| Graphic printer with automatic scale information setting device Grant 4,603,396 - Washizuka , et al. July 29, 1 | 1986-07-29 |
| Language translator having circuitry for retrieving full words after single letter input Grant 4,597,056 - Washizuka June 24, 1 | 1986-06-24 |
| Liquid crystal display Grant 4,533,213 - Washizuka , et al. August 6, 1 | 1985-08-06 |
| Electronic calculator with acoustic confirmation of key actuation and acoustical alarms Grant 4,412,210 - Washizuka , et al. October 25, 1 | 1983-10-25 |
| Electronic digital tape measure having flexible measuring tape Grant 4,316,081 - Washizuka , et al. February 16, 1 | 1982-02-16 |
| Power transmission controller for electronic calculators Grant 4,285,043 - Hashimoto , et al. August 18, 1 | 1981-08-18 |
| Display control of hand-written, memorized pattern at a preselected time Grant 4,276,541 - Inoue , et al. June 30, 1 | 1981-06-30 |
| Electronic combined protractor and calculator capable of measuring length and angle of an object Grant 4,213,035 - Washizuka , et al. July 15, 1 | 1980-07-15 |
| Mirror with information display Grant 4,202,607 - Washizuka , et al. May 13, 1 | 1980-05-13 |
| Combination calculator and timepiece Grant 4,189,912 - Washizuka , et al. February 26, 1 | 1980-02-26 |
| Electronic calculator with no protruding key tops Grant 4,158,230 - Washizuka , et al. June 12, 1 | 1979-06-12 |
| Liquid crystal display calculator construction Grant 4,104,727 - Washizuka , et al. August 1, 1 | 1978-08-01 |
| Calculator operation time period counter in a combination of electronic timepiece and electronic calculator Grant 4,081,664 - Washizuka , et al. March 28, 1 | 1978-03-28 |
| Calculator construction Grant 4,074,118 - Washizuka , et al. February 14, 1 | 1978-02-14 |
| Information storage and frequency converter for liquid crystal display Grant 4,005,403 - Washizuka , et al. January 25, 1 | 1977-01-25 |
| Liquid crystal display system Grant 3,976,994 - Washizuka , et al. August 24, 1 | 1976-08-24 |
| Calculator having thermal printing head Grant 3,973,111 - Washizuka , et al. August 3, 1 | 1976-08-03 |
| Drive system for liquid crystal display units Grant 3,902,169 - Washizuka August 26, 1 | 1975-08-26 |
| Liquid crystal dynamic drive circuit Grant 3,898,646 - Washizuka , et al. August 5, 1 | 1975-08-05 |
| Decimal Point Processing Apparatus Grant 3,571,808 - Washizuka , et al. March 23, 1 | 1971-03-23 |
| Integrated Fet Structure With Substrate Biasing Means To Effect Bidirectional Transistor Operation Grant 3,569,729 - Washizuka , et al. March 9, 1 | 1971-03-09 |
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