Assignee
TOYO KAGAKU KK
JP·20 granted patents·493 citations·filing 1975–2001
Top patents by PatentIndex Score
20 records- 0193US5380395AAutomatic adhesive transfer deviceTOYO KAGAKU KK·Filed 1993·Granted Jan 10, 1995·88 cites·15 claims
- 0291US5593031ADisc accommodation device including movable disc holderTOYO KAGAKU KK·Filed 1995·Granted Jan 14, 1997·77 cites·5 claims
- 0388US6371300B1Optical disc caseTOYO KAGAKU KK·Filed 2000·Granted Apr 16, 2002·25 cites·22 claims
- 0478US5669968AInorganic hardening compositionTOYO KAGAKU KK·Filed 1995·Granted Sep 23, 1997·49 cites·8 claims
- 0578US4368088AMethod of manufacturing corrugated tubeTOYO KAGAKU KK·Filed 1980·Granted Jan 11, 1983·45 cites·8 claims
- 0675US4575400AApparatus for manufacturing corrugated tubesTOYO KAGAKU KK·Filed 1984·Granted Mar 11, 1986·37 cites·15 claims
- 0769US5531320AOptical disc accomodation deviceTOYO KAGAKU KK·Filed 1994·Granted Jul 2, 1996·19 cites·7 claims
- 0868US6685015B2Optical disc accommodating caseTOYO KAGAKU KK·Filed 2001·Granted Feb 3, 2004·7 cites·18 claims
- 0966US5407073AFloppy disk containerTOYO KAGAKU KK·Filed 1993·Granted Apr 18, 1995·16 cites·4 claims
- 1065US6125903AAdhesive transfer deviceTOYO KAGAKU KK·Filed 1998·Granted Oct 3, 2000·16 cites·5 claims
- 1158US5224599AFloppy disk containerTOYO KAGAKU KK·Filed 1992·Granted Jul 6, 1993·17 cites·4 claims
- 1257US5445264AFloppy disk accommodation deviceTOYO KAGAKU KK·Filed 1994·Granted Aug 29, 1995·11 cites·8 claims
- 1355US4360550AComposite packing film and packing bag made of the sameTOYO KAGAKU KK·Filed 1980·Granted Nov 23, 1982·28 cites·12 claims
- 1451US5574716AOptical disc protective storage deviceTOYO KAGAKU KK·Filed 1995·Granted Nov 12, 1996·10 cites·7 claims
- 1551US3999928AApparatus for shaping synthetic resin materialTOYO KAGAKU KK·Filed 1975·Granted Dec 28, 1976·13 cites·3 claims
- 1649US4878976AMethod for continuously manufacturing synthetic resin tubeTOYO KAGAKU KK·Filed 1988·Granted Nov 7, 1989·13 cites·10 claims
- 1749US4292113AMethod and apparatus for manufacturing corrugated tubesTOYO KAGAKU KK·Filed 1980·Granted Sep 29, 1981·18 cites·6 claims
- 1825US5662764AApparatus for producing corrugated tubeTOYO KAGAKU KK·Filed 1995·Granted Sep 2, 1997·2 cites·5 claims
- 1924US5593535AApparatus for producing corrugated tubeTOYO KAGAKU KK·Filed 1993·Granted Jan 14, 1997·2 cites·12 claims
- 2024US4692197AMethod for manufacturing corrugated tubesTOYO KAGAKU KK·Filed 1985·Granted Sep 8, 1987·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when TOYO KAGAKU KK files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →