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Patents Grants
last 30 patents
Information
Patent Grant
Analog electronic timepiece
Patent number
4,310,909
Issue date
Jan 12, 1982
Kabushiki Kaisha Seikosha
Masanori Fujita
G04 - HOROLOGY
Information
Patent Grant
Electronic timepiece
Patent number
4,300,221
Issue date
Nov 10, 1981
Kabushiki Kaisha Seikosha
Hajime Oda
G04 - HOROLOGY
Information
Patent Grant
Electronic timepiece
Patent number
4,279,029
Issue date
Jul 14, 1981
Kabushiki Kaisha Seikosha
Hajime Oda
G04 - HOROLOGY
Information
Patent Grant
Thickness-shear piezo-electric vibrator with additional mass for mo...
Patent number
4,262,227
Issue date
Apr 14, 1981
Kabushiki Kaisha Seikosha
Hitoshi Ikeno
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-function electronic timepiece
Patent number
4,246,650
Issue date
Jan 20, 1981
Kabushiki Kaisha Seikosha
Nakanobu Moritani
G04 - HOROLOGY
Information
Patent Grant
Alarm timepiece
Patent number
4,244,042
Issue date
Jan 6, 1981
Kabushiki Kaisha Seikosha
Toshihide Samejima
G04 - HOROLOGY
Information
Patent Grant
Simulated pendulum clock
Patent number
4,241,437
Issue date
Dec 23, 1980
Kabushiki Kaisha Seikosha
Itaru Ashida
G04 - HOROLOGY
Information
Patent Grant
Electric circuit for driving a piezoelectric vibrator
Patent number
4,232,241
Issue date
Nov 4, 1980
Kabushiki Kaisha Seikosha
Mitsuhiro Hamatani
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Electronic timer
Patent number
4,218,871
Issue date
Aug 26, 1980
Kabushiki Kaisha Seikosha
Nakanobu Moritani
G07 - CHECKING-DEVICES
Information
Patent Grant
Wire printer
Patent number
4,218,149
Issue date
Aug 19, 1980
Kabushiki Kaisha Seikosha
Mutsumi Okada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Time adjusting device for electronic timepiece
Patent number
4,211,067
Issue date
Jul 8, 1980
Kabushiki Kaisha Seikosha
Hajime Oda
G04 - HOROLOGY
Information
Patent Grant
Thickness-shear mode quartz oscillator with an added non-circular mass
Patent number
4,211,947
Issue date
Jul 8, 1980
Kabushiki Kaisha Seikosha
Hitoshi Ikeno
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Time adjusting means for electronic timepiece
Patent number
4,209,975
Issue date
Jul 1, 1980
Kabushiki Kaisha Seikosha
Nakanobu Moritani
G04 - HOROLOGY
Information
Patent Grant
Clock
Patent number
D255551
Issue date
Jun 24, 1980
Kabushiki Kaisha Seikosha
Kimio Hirota
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Time correcting device for electronic timepiece
Patent number
4,196,584
Issue date
Apr 8, 1980
Kabushiki Kaisha Seikosha
Hajime Oda
G04 - HOROLOGY
Information
Patent Grant
Ratchet feed mechanism
Patent number
4,191,067
Issue date
Mar 4, 1980
Kabushiki Kaisha Seikosha
Masaaki Oishi
G04 - HOROLOGY
Information
Patent Grant
Method of driving a liquid crystal display apparatus
Patent number
4,186,395
Issue date
Jan 29, 1980
Kabushiki Kaisha Seikosha
Masanori Fujita
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Process for preparing quartz oscillator
Patent number
4,183,126
Issue date
Jan 15, 1980
Kabushiki Kaisha Seikosha
Hitoshi Ikeno
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Controlling device for grinding piezo-electric element
Patent number
4,179,853
Issue date
Dec 25, 1979
Kabushiki Kaisha Seikosha
Nakanobu Moritani
B24 - GRINDING POLISHING
Information
Patent Grant
Timepiece
Patent number
4,175,374
Issue date
Nov 27, 1979
Kabushiki Kaisha Seikosha
Keiichi Yoshizawa
G04 - HOROLOGY
Information
Patent Grant
Polishing device
Patent number
4,173,848
Issue date
Nov 13, 1979
Kabushiki Kaisha Seikosha
Hitoshi Ikeno
B24 - GRINDING POLISHING
Information
Patent Grant
Film display clock
Patent number
4,162,609
Issue date
Jul 31, 1979
Kabushiki Kaisha Seikosha
Masaaki Oishi
G04 - HOROLOGY
Information
Patent Grant
Method of manufacting a wire printer head
Patent number
4,156,960
Issue date
Jun 5, 1979
Kabushiki Kaisha Seikosha
Yoshiaki Ikeda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electric motor with operation-indicating means
Patent number
4,152,612
Issue date
May 1, 1979
Kabushiki Kaisha Seikosha
Yukio Endo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Buzzer mechanism for alarm clock or the like
Patent number
4,148,182
Issue date
Apr 10, 1979
Kabushiki Kaisha Seikosha
Shuzo Abe
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Controlling device for grinding piezo-electric element
Patent number
4,137,676
Issue date
Feb 6, 1979
Kabushiki Kaisha Seikosha
Nakanobu Moritani
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for forming a character by a matrix pattern of picture el...
Patent number
4,129,860
Issue date
Dec 12, 1978
Kabushiki Kaisha Seikosha
Setsuo Yonezawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Alarm timepiece
Patent number
4,121,414
Issue date
Oct 24, 1978
Kabushiki Kaisha Seikosha
Hiroshi Yamazaki
G04 - HOROLOGY
Information
Patent Grant
Device for retaining two alternate positions
Patent number
4,117,743
Issue date
Oct 3, 1978
Kabushiki Kaisha Seikosha
Tetsuro Suzuki
G05 - CONTROLLING REGULATING
Information
Patent Grant
A buzzer having adjustable buzzer sound
Patent number
4,115,770
Issue date
Sep 19, 1978
Kabushiki Kaisha Seikosha
Masayuki Kanazawa
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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last 30 patents
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