KT

Kimio Tanaka

Tdk: 46 patents #52 of 3,796Top 2%
TA Tdk Electronics Ag: 8 patents #18 of 503Top 4%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Canon: 3 patents #11,241 of 19,416Top 60%
OM Omron: 1 patents #1,808 of 3,089Top 60%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
📍 Nasushiobara, JP: #6 of 356 inventorsTop 2%
Overall (All Time): #36,966 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 26–50 of 62 patents

Patent #TitleCo-InventorsDate
4863031 Disc cartridge having peripheral disc support Haruo Shiba 1989-09-05
4864450 Protective cover for a magnetic tape cassette Haruo Shiba, Takateru Satoh 1989-09-05
4862448 Disc cartridge and casing therefor Morimasa Sasaki, Masaru Ikebe 1989-08-29
4853816 Casing for cassette magnetic tape Takateru Satoh, Morimasa Sasaki 1989-08-01
4845582 Disc cartridge Haruo Shiba 1989-07-04
4837651 Disc cartridge Toshihiko Ishida, Haruo Shiba 1989-06-06
4803678 Disc cartridge Haruo Shiba 1989-02-07
4802046 Casing assembly for a disc cartridge Haruo Shiba 1989-01-31
4802047 Disc cartridge Haruo Shiba 1989-01-31
4802049 Disc cartridge Masaoki Sekine 1989-01-31
4799122 Mounting a disc receiver in a disc cartridge Haruo Shiba 1989-01-17
4791515 Protecting a disc cartridge from inadvertent actuation during nonuse Haruo Shiba 1988-12-13
4785368 Device for selecting a surface of a disc in a cartridge Haruo Shiba 1988-11-15
4782418 Disc cartridge Haruo Shiba 1988-11-01
4782417 Disc cartridge Haruo Shiba 1988-11-01
4779158 Disc cartridge Haruo Shiba 1988-10-18
4771351 Device for positioning a spring within a tape cassette and the spring therefore Takateru Satoh, Haruo Shiba 1988-09-13
4748529 Magnetic tape cassette with anti-friction tape guides Haruo Shiba 1988-05-31
4747007 Spring means for biasing a tape against a head inserted in a cassette Masaru Ikebe, Takateru Satoh, Haruo Shiba 1988-05-24
4742418 Tape cassette with means for limiting movement of reel brake Haruo Shiba, Takateru Satoh 1988-05-03
4737875 Device for preventing obstruction by a tape cassette cover Haruo Shiba, Takateru Satoh 1988-04-12
4734812 Tape cartridge with erasure-preventing indicator plug Haruo Shiba, Yoshiya Sakata 1988-03-29
4727445 Device for opening/closing a protective cover on a magnetic tape cassette and protecting the cassette interior from contamination Takateru Satoh, Haruo Shiba, Yoshiya Sakata 1988-02-23
4688128 Magnetic tape cassette having two layered portions Haruo Shiba, Takateru Sato, Yoshiya Sakata 1987-08-18
4671469 Tape cassette Masaru Ikebe, Takateru Satoh 1987-06-09