Inventor

HATAKEYAMA ATSUSHI

JP88 patents

⚠️ This page may combine multiple inventors who share the name “HATAKEYAMA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HATAKEYAMA ATSUSHI

HITACHI LTD

Document storage and retrieval system

Knowledge based information retrieval system

Knowledge based information retrieval system

Knowledge based information retrieval system

Document search method wherein stored documents and search queries comprise segmented text data of spaced, nonconsecutive text elements and words segmented by predetermined symbols

Text search method and apparatus for structured documents

Document browsing apparatus with concurrent processing and retrievel

Presearch type document search method and apparatus

Document retrieval method and system

Document storage and retrieval system for storing and retrieving document image and full text data

System for displaying concept networks

Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus

Document data processing method and apparatus for document retrieval

Document information search method and system

System for plural-string search with a parallel collation of a first partition of each string followed by finite automata matching of second partitions

Information search terminal and system

Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus

Character string retrieving system and method

System for character stream search using finite state automaton technique

Method for controlling a management computer

Character stream search apparatus using a finite state automation

Image display apparatus

Text data registering and retrieving system including a database storing a plurality of document files therin and a plural-character occurrence table for a text index and an update text buffer to retrieve a target document in cooperation with the database

Document information system and document data transfer and display method

Range-conditional character string retrieving method and system

Method and system for displaying integrated log information

FUJITSU LTD

Semiconductor device and semiconductor system for high-speed data transfer

Semiconductor memory for increasing the number of half good memories by selecting and using good memory blocks

Semiconductor device having a plurality of chips having identical circuit arrangement sealed in package

System configured of synchronous semiconductor device for adjusting timing of each input and semiconductor device used therefor

Semiconductor device and a semiconductor memory device

Semiconductor memory device

Semiconductor integrated circuit and semiconductor memory device including overdriving sense amplifier

Memory device

Semiconductor memory device

Pulse generator for generating a plurality of output pulses in response to an input pulse

Memory device

Semiconductor memory device having a single line data bus and latch circuits for improved pipeline operations

Semiconductor device

Dynamic memory device performing stress testing

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Image display apparatus and method for compensating display image of image display apparatus

Projection-type image display apparatus

Video projector

Color image display apparatus

Illuminator and projection image display employing it

Projection image display

FUJISAWA HIROMICHI

Document retrieval system for displaying document image data with inputted bibliographic items and character string selected from multiple character candidates

YAMAGUCHI AKIHIKO

Security management device and method

SAITO KOTA

System and method for evaluating application suitability in execution environment

MITSUBISHI RAYON CO

Water purifier