LexDanaLexDanabeta
Inventor

Takamasa Uchiyama

Inventor
Fukuyama, JP

Overview

5→
Patents
1987–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge22%
G11BInformation storage based on relative movement between record carrier and transducer22%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management22%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
H03MCoding11%
H04LTransmission of digital information, e.g. telegraphic communication11%
PatentTitleYear
8,515,066'Method, apparatus and program for establishing encrypted communication channel between apparatuses'20136,056,876'Method and apparatus for wastewater treatment'20005,423,988'Method and apparatus for treating developer-containing waste water at multiple biological treatment stages'19955,175,545'Data coding system in a magnetic recording apparatus'19924,651,236'Waveform equalizing circuit'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1992Patents assigned to HITACHI LTD (2)· patent assignee history
1987–1992Based in Odawara, JP· patent location history
1995–2000Patents assigned to SHARP KK (2)· patent assignee history
1995–2000Based in Fukuyama, JP· patent location history
2013Patents assigned to EGASHIRA TAKASHI (1)· patent assignee history
2013Patents assigned to FUKADA SATOSHI (1)· patent assignee history
2013Patents assigned to MIYAKAWA SHIN (1)· patent assignee history
2013Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21987–1992
SHARP KK21995–2000
EGASHIRA TAKASHI12013
FUKADA SATOSHI12013
MIYAKAWA SHIN12013
Locations
LocationPatentsSpan
Fukuyama, JP21995–2000
Odawara, JP21987–1992
Tokyo, JP12013