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PUMPKIN HOUSE KK

Overview
  • Total Patents
    17
About

PUMPKIN HOUSE KK has a total of 17 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Japan. Its main competitors in its focus markets computer technology, audio-visual technology and telecommunications are ARAKI RYOJI, XEROX INTERNAT PARTNERS and MORI SHINYA.

Patent filings in countries

World map showing PUMPKIN HOUSE KKs patent filings in countries
# Country Total Patents
#1 Japan 17

Patent filings per year

Chart showing PUMPKIN HOUSE KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sasaki Minoru 15
#2 Takeuchi Mitsuaki 3
#3 Imai Hideki 2
#4 Yoshikawa Hiroharu 2
#5 Matsumoto Tsutomu 1

Latest patents

Publication Filing date Title
JP2007140961A Device for preventing usage of fraudulent copied file, and its program
JP2004297755A Key management server in encryption system, program for controlling decryption apparatus, key management server in signature/verification system and program for controlling verification apparatus
JP2002314527A Encryption system and its control method, key management server and client used in the encryption system, and their control method
JP2002132736A Client computer control method for contents distribution system, and client computer
JP2002132586A Method and apparatus for embedding information to contents, restoring contents and fetching information
JP2002099456A Encryption apparatus, encryption method and record medium recorded program for the apparatus
JP2001211161A Content distributing method, computer and device for content distribution system, and control method thereof
JP2000151576A Program recoding medium to realize encryption/decoding method using computer
JPH11331620A Ciphering device and its method
JPH11168460A Cryptographic network system and method
JPH10320478A Ciphered/deciphered communication system and method therefor
JPH11161167A Device and method for ciphering and recording medium which records ciphering program
JPH0765534A Magnetic disc with built-in control circuit
JPH07281841A Magnetic disk type control unit
JPH0737364A Power supply having floppy disk built-in
JPH0887235A Cipher key sharing system
JPH0749655A Facsimile adapter device with built-in cipher function