Sekiya; Fukuo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sekiya; Fukuo.The latest application filed is for "drive circuit for matrix display device".
- Sekiya; Fukuo - Tokorozawa JP
- Sekiya; Fukuo - Tokarozawa JP
| Patent | Date |
|---|---|
| Drive circuit for matrix display device Grant 4,746,915 - Sekiya May 24, 1 | 1988-05-24 |
| Row conductor scanning drive circuit for matrix display panel Grant 4,633,242 - Sekiya December 30, 1 | 1986-12-30 |
| Analog display electronic timepiece with multi-mode display capability Grant 4,433,918 - Nishimura , et al. February 28, 1 | 1984-02-28 |
| Electronic timepiece Grant 4,302,829 - Morokawa , et al. November 24, 1 | 1981-11-24 |
| Electronic timepiece Grant 4,277,840 - Sekiya , et al. July 7, 1 | 1981-07-07 |
| Portable electronic device equipped with calculation and timekeeping functions Grant 4,266,278 - Ebihara , et al. May 5, 1 | 1981-05-05 |
| Frequency division system Grant 4,244,043 - Fujita , et al. January 6, 1 | 1981-01-06 |
| Portable timepiece calculator with power savings feature Grant 4,240,150 - Ebihara , et al. December 16, 1 | 1980-12-16 |
| Temperature sensing circuit Grant 4,237,420 - Ebihara , et al. December 2, 1 | 1980-12-02 |
| Transistor circuit having a plurality of CMOS circuits Grant 4,229,668 - Ebihara , et al. October 21, 1 | 1980-10-21 |
| Input circuit for portable electronic devices Grant 4,198,579 - Ebihara , et al. April 15, 1 | 1980-04-15 |
| Electronic timepiece with calendar function Grant 4,193,255 - Ebihara , et al. March 18, 1 | 1980-03-18 |
| Miniature type electronic device Grant 4,157,588 - Ebihara , et al. June 5, 1 | 1979-06-05 |
| Driver circuit for electrochromic display device Grant 4,149,146 - Ebihara , et al. April 10, 1 | 1979-04-10 |
| Driver circuit for electrochromic display device Grant 4,117,475 - Ebihara , et al. September 26, 1 | 1978-09-26 |
| Driver circuit for electrochromic display device Grant 4,096,412 - Sekiya , et al. June 20, 1 | 1978-06-20 |
| Driver circuit for driving electrochromic display device Grant 4,074,256 - Sekiya , et al. February 14, 1 | 1978-02-14 |
| Electronic timepiece Grant 4,067,187 - Sekiya , et al. January 10, 1 | 1978-01-10 |
| Method and apparatus for driving electrochromic display device Grant 4,060,974 - Natori , et al. December 6, 1 | 1977-12-06 |
| Booster circuits Grant 4,016,476 - Morokawa , et al. April 5, 1 | 1977-04-05 |
| Electronic device for detecting the energized state of a liquid crystal display cell Grant 4,011,002 - Ebihara , et al. March 8, 1 | 1977-03-08 |
| Driving circuit for liquid-crystal display Grant 3,961,840 - Morokawa , et al. June 8, 1 | 1976-06-08 |
| Portable miniature type information treating device Grant 3,937,004 - Natori , et al. February 10, 1 | 1976-02-10 |
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