Patent | Date |
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Portable electronic device, security system and method for determining allowable operating range of portable electronic device App 20090021350 - Hatta; Koichi ;   et al. | 2009-01-22 |
Unfair contents appropriation detection system, computer program and storage medium Grant 7,085,397 - Hatta , et al. August 1, 2 | 2006-08-01 |
Testing system Grant 6,798,831 - Hatta September 28, 2 | 2004-09-28 |
Receiving apparatus and receiving method Grant 6,618,450 - Hatta September 9, 2 | 2003-09-09 |
Unfair contents appropriation detection system, computer program and storage medium App 20030012405 - Hatta, Koichi ;   et al. | 2003-01-16 |
Flour blends for deep fried foods, steamed Chinese manju, dough sheets, okonomi-yaki, and takoyaki Grant 6,139,894 - Hoshino , et al. October 31, 2 | 2000-10-31 |
Flour blends for breads, cakes, or noodles, and foods prepared from the flour blends Grant 6,042,867 - Hoshino , et al. March 28, 2 | 2000-03-28 |
Data processing apparatus for executing a vector operation under control of a master processor Grant 5,742,842 - Suetake , et al. April 21, 1 | 1998-04-21 |
Coprocessor for performing an arithmetic operation by automatically reading data from an external memory Grant 5,742,839 - Suetake , et al. April 21, 1 | 1998-04-21 |
Data processing system for single-precision and double-precision data Grant 5,515,520 - Hatta , et al. May 7, 1 | 1996-05-07 |
Numeric representation converting apparatus and vector processor unit such apparatus Grant 5,508,948 - Hatta April 16, 1 | 1996-04-16 |
Password system utilizing two password types, the first being changeable after entry, the second being unchangeable until power is removed Grant 5,115,508 - Hatta May 19, 1 | 1992-05-19 |
Display system for a compact electronic apparatus Grant 4,864,530 - Hatta , et al. September 5, 1 | 1989-09-05 |
Programmable calculator with external memory module and protection against erroneous erasure of data in the module Grant 4,796,215 - Hatta January 3, 1 | 1989-01-03 |
Calculator or pocket computer with selectable operational sequence Grant 4,695,983 - Oda , et al. September 22, 1 | 1987-09-22 |
Electronic game apparatus Grant 4,618,927 - Hatta October 21, 1 | 1986-10-21 |
Graph-drawing machine Grant 4,609,918 - Nakanishi , et al. September 2, 1 | 1986-09-02 |
Multi-alarm timepiece with simplified operating means Grant 4,589,779 - Hatta , et al. May 20, 1 | 1986-05-20 |
Check calculator Grant 4,569,029 - Hatta , et al. February 4, 1 | 1986-02-04 |
Shopping calculator with comparison feature Grant 4,528,638 - Hatta , et al. July 9, 1 | 1985-07-09 |
Electronic learning aid Grant 4,340,375 - Sakaue , et al. July 20, 1 | 1982-07-20 |