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Inventor

Yuji Koike

Inventor
Yokohama, JP

Overview

13→
Patents
1977–2021
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

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

G10Hprimary
G10HElectrophonic musical instruments19%
G06FElectric digital data processing11%
G10LSpeech analysis techniques or speech synthesis11%
H04LTransmission of digital information, e.g. telegraphic communication11%
G04GElectronic time-pieces7%
H04HBroadcast communication7%
B22CFoundry moulding4%
B22DCasting of metals4%
B29CShaping or joining of plastics4%
F16DCouplings for transmitting rotation4%
PatentTitleYear
11,060,577Friction material20219,460,203'Sound processing apparatus'20169,087,502'Sound processing apparatus and sound processing system'20158,965,755'Acoustic data communication device'20158,818,540'Sound processing apparatus'20146,844,832'Input data conversion method, input data conversion program, and input data conversion system'20056,838,608'Lyric display method, lyric display computer program and lyric display apparatus'20056,757,303'Technique for communicating time information'20046,525,253'Transmission of musical tone information'20035,900,456'Composition of mold release agent for casting'19994,091,609'Digital electronic timepiece'19784,062,179'Switching mechanism for an electronic timepiece'19774,017,155'Liquid crystal display device'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1978Patents assigned to SEIKO INSTR & ELECTRONICS (3)· patent assignee history
1977Based in Matsudo, JP· patent location history
1978–1999Based in Tokyo, JP· patent location history
2003–2016Patents assigned to YAMAHA CORP (8)· patent assignee history
2003–2005Based in Hamamatsu, JP· patent location history
2005–2016Based in Yokohama, JP· patent location history
2014–2015Patents assigned to KOIKE YUJI (3)· patent assignee history
2015Patents assigned to INOUE KAZUHITO (1)· patent assignee history
2021Patents assigned to ADVICS CO LTD (1)· patent assignee history
2021Based in Takahama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMAHA CORP82003–2016
KOIKE YUJIself32014–2015
SEIKO INSTR & ELECTRONICS31977–1978
ADVICS CO LTD12021
INOUE KAZUHITO12015
Locations
LocationPatentsSpan
Yokohama, JP52005–2016
Hamamatsu, JP32003–2005
Tokyo, JP21978–1999
Matsudo, JP21977
Takahama, JP12021