Inventor

Kazunori Nishikawa

Inventor

Machida, JP

Overview

33→

Patents

1976–2012

Patent span

Electricity

Primary field (CPC H)

Patents· 33 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 transducer20%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%

H04NPictorial communication, e.g. television7%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

F25CProducing, working or handling ice5%

F25DRefrigerators4%

H03DDemodulation or transference of modulation from one carrier to another4%

H04LTransmission of digital information, e.g. telegraphic communication4%

H04SStereophonic systems4%

H10BElectronic memory devices4%

PatentTitleYear

8,106,475'Semiconductor device and method of manufacturing the same'2012 7,910,844'Leaf switch and ice making device using leaf switch'2011 7,846,029'Torque limiter'2010 7,402,499'Semiconductor device and method of manufacturing the same'2008 7,028,648'Multiple cylinder internal combustion engine'2006 6,775,854'Toilet cover opening/closing device'2004 6,301,910'Refrigerator'2001 6,148,620'Ice making device and method of controlling the same'2000 6,069,466'Method for driving opening/closing member'2000 5,345,783'Vibrating device for ice making tray'1994 5,342,868'Crystalline synthetic resin composition'1994 5,238,979'Synthetic resins and stabilizer compositions for synthetic resin compositions containing the same'1993 5,055,507'Synthetic resins and stabilizer compositions for synthetic resin compositions containing the same'1991 5,039,723'Stabilized synthetic resin composition'1991 4,999,393'Phosphonite compound and synthetic resin composition'1991 4,894,400'Stabilized synthetic polymer composition'1990 4,885,326'Composition of stabilized synthetic resin'1989 4,885,750'Method and apparatus for error correction'1989 4,868,827'Digital data processing system'1989 4,822,522'Hindered phenol amides'1989 4,811,370'Digital muting circuit'1989 4,739,090'Process for preparing diaryl-pentaerythritol diphosphites'1988 4,692,816'Digital data transmitting system for transmitting digital data a number of times depending on an information content of the digital data'1987 4,667,318'Data producing device in a signal reproducing apparatus'1987 4,660,099'Rotary recording medium having track turns recorded with digital signal and track turns recorded with analog signal'1987 4,660,100'Rotary recording medium reproducing apparatus for reproducing pre-recorded signals from a rotary recording medium having track turns recorded with digital signal and track turns recorded with analog signal'1987 4,596,981'Synchronizing signal detecting circuit in a digital signal transmitting system'1986 4,561,083'Memory circuit write-in system'1985 4,516,163'Digital information signal recording system'1985 4,509,155'Circuit arrangement for a disk player for reproducing information prerecorded in the form of pits'1985 4,360,824'Systems for recording both information and pilot signals directly on recording medium'1982 4,107,478'Angle modulated wave demodulation system'1978 3,983,500'Angle modulated wave demodulation system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Patents assigned to VICTOR COMPANY OF JAPAN (14)· patent assignee history

1982–1989Based in Machida, JP· patent location history

1988–1991Patents assigned to ADEKA ARGUS CHEMICAL CO LTD (6)· patent assignee history

1988–1993Based in Matsudo, JP· patent location history

1991–1994Patents assigned to ASAHI DENKA KOGYO KK (3)· patent assignee history

1991Based in Chiba, JP· patent location history

1994–2004Patents assigned to SANKYO SEIKI SEISAKUSHO KK (4)· patent assignee history

1994–2011Based in Nagano, JP· patent location history

2008–2012Based in Mie, JP· patent location history

2010–2011Patents assigned to NIDEC SANKYO CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
VICTOR COMPANY OF JAPAN	14	1976–1989
ADEKA ARGUS CHEMICAL CO LTD	6	1988–1991
SANKYO SEIKI SEISAKUSHO KK	4	1994–2004
ASAHI DENKA KOGYO KK	3	1991–1994
NIDEC SANKYO CORP	2	2010–2011

Locations

Location	Patents	Span
Machida, JP	10	1982–1989
Nagano, JP	7	1994–2011
Matsudo, JP	6	1988–1993
Mie, JP	2	2008–2012
Chiba, JP	2	1991