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Inventor

Hideo Kawachi

Inventor
Tokyo, JP

Overview

17→
Patents
1981–2017
Patent span
Human necessities
Primary field (CPC A)

Patents· 17 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer40%
C07CAcyclic or carbocyclic compounds10%
A23KFodder7%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for7%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation7%
A61KPreparations for medical, dental or toiletry purposes7%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
A61QSpecific use of cosmetics or similar toiletry preparations7%
C07BGeneral methods of organic chemistry3%
C07JSteroids3%
PatentTitleYear
9,556,098'Reduced coenzyme Q10 crystal having excellent stability'20179,440,901'Method for producing reduced coenzyme Q10'20169,388,109'Reduced coenzyme Q10 crystal having excellent stability'20168,634,287'Method for manufacturing read-only optical disc medium and read-only optical disc medium'20147,911,929'Optical disk read only memory'20117,884,221'Method of separating ergosterol'20115,527,870'Process for the preparation of isobutylene polymer'19965,375,106'Reproducing system with detachable storage medium for storing selected cue points'19945,301,176'Apparatus for carrying out recording and/or reproducing signals for disk-shaped recording medium'19945,299,185'Disc player for playing both naked disc and cartridge-encased disc'1994RE032007'Mode changing system for a cassette tape recorder'19854,530,073'Disc reproducing apparatus'19854,519,057'Digital audio disc player including apparatus for finding the beginning of a recorded audio signal'19854,344,099'Head vertical alignment means for a tape recorder'19824,316,226'Head adjustment means for a tape recorder'19824,307,427'Pad abutting device for a magnetic head of a dual capstan type cassette tape recorder'19814,272,792'Mode changing system for a cassette tape recorder'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1982Patents assigned to NAKAMICHI CORP (4)· patent assignee history
1981–1985Based in Ichikawa, JP· patent location history
1985–2014Patents assigned to SONY CORP (7)· patent assignee history
1985Based in Chiba, JP· patent location history
1994–2014Based in Tokyo, JP· patent location history
1996–2017Based in Hyogo, JP· patent location history
2011–2017Patents assigned to KANEKA CORP (4)· patent assignee history
2014–2016Patents assigned to KAWACHI HIDEO (2)· patent assignee history
2014Patents assigned to ASAHINA TAKAYUKI (1)· patent assignee history
2016Based in Takasago, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP71985–2014
KANEKA CORP42011–2017
NAKAMICHI CORP41981–1982
KAWACHI HIDEOself22014–2016
ASAHINA TAKAYUKI12014
Locations
LocationPatentsSpan
Tokyo, JP51994–2014
Ichikawa, JP51981–1985
Hyogo, JP41996–2017
Chiba, JP21985
Takasago, JP12016