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Nobuo Tsukada

USPTO Granted Patents = 13

Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 144(Granted Patents)

Location History:

Tokyo, JA (1977)
Tokyo, JP (1978 - 1993)

Company Filing History:

Seiko Instruments Inc

Kabushiki Kaisha Daini Seikosha

Seiko Instruments & Electronics Ltd.

Years Active: 1977-1993

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5254899 - Micro-traveller with ultrasonic motor (1993-10-19),

2. 5079470 - Standing-wave type ultrasonic motor and timepiece (1992-01-07),

3. 5056201 - Method of making a travelling-wave motor (1991-10-15),

4. 5043956 - Wristwatch with oscillation alarm (1991-08-27),

5. 5025186 - Ultrasonic motor (1991-06-18),

6. 5006746 - Travelling-wave motor (1991-04-09),

7. 4721058 - Paper cutting unit of automatic drawing machines (1988-01-26),

8. 4645356 - Wristwatch (1987-02-24),

9. 4447163 - Stem mechanism for a watch (1984-05-08),

10. 4114365 - Battery lead plate member for an electronic wrist watch (1978-09-19),

11. 4102123 - Bearing for a timepiece train (1978-07-25),

12. 4023055 - Mounting device for a quartz tuning fork (1977-05-10),

13. 4012899 - Micro motor for a timepiece (1977-03-22),

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