KY

Keiichi Yoshizawa

TA Tdk Electronics Ag: 19 patents #2 of 503Top 1%
SC Seikosha Co.: 9 patents #33 of 312Top 15%
Tdk: 4 patents #1,273 of 3,796Top 35%
Overall (All Time): #114,516 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
5319819 Desk top cleaner 1994-06-14
5285549 Desk top cleaner 1994-02-15
D336695 Desk top cleaner 1993-06-22
5037018 Automatic feeder Takumi Matsuda 1991-08-06
D313196 Hub for supporting a timepiece hand Katsuya Moritaka 1990-12-25
D312592 Hub for supporting a timepiece hand Katsuya Moritaka 1990-12-04
4782956 Magnetic tape cassette wrapper 1988-11-08
4748602 Alarm mechanism Kastuya Moritaka 1988-05-31
4727526 Alarm on-off mechanism for alarm watch Yukio Tajima, Nobuhiro Tanaka 1988-02-23
4693612 Alarm mechanism 1987-09-15
D283458 Wrapping sheet for magnetic tape cassette 1986-04-15
D282445 Video cassette case 1986-02-04
D282444 Video cassette case 1986-02-04
D279762 Wrapping sheet for magnetic tape cassette 1985-07-23
4501359 Casing for a video tape cassette 1985-02-26
D276566 Wrapping sheet for a cassette 1984-11-27
D276567 Wrapping sheet for a cassette 1984-11-27
D275654 Case for a magnetic tape magazine 1984-09-25
D266829 Packaging container Noboru Uemura 1982-11-09
D266437 Label for a cassette holder 1982-10-05
D266419 Magazine of magnetic tape Hidehisa Hashimoto 1982-10-05
D263952 Demagnetizing device 1982-04-20
D263794 Case for a magnetic tape magazine 1982-04-13
D263060 Label for a cassette holder 1982-02-16
D262877 Casette tape 1982-02-02