Patent assignee · JP · COMPANY

KYODO PRINTING CO., LTD.

70Patents
23Active
70Granted
45Portfolio score

Filing activity: Jul 29, 1976 → Dec 17, 2021 · 8 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7825582B2 Flexible display and manufacturing method thereof Emerging Cross-Sectional Technologies 69 Active
US5010243A Method of producing an optical recording card having a hologram contained therein Performing Operations; Transporting 61 Expired
US5378887A Non-contact type IC card Physics 54 Expired
US5272326A Optical card having light absorbing layer Physics 54 Expired
US5111033A Optical card Performing Operations; Transporting 48 Expired
US6150004A Antimicrobial laminate and bag, container, and shaped cup using same Emerging Cross-Sectional Technologies 41 Expired
US5217844A Optical recording medium, method of producing the same and method of producing the optical recording card Emerging Cross-Sectional Technologies 39 Expired
US4945215A Optical recording card having hologram contained therein and method of producing the same Performing Operations; Transporting 38 Expired
US6808773B2 Shielding base member and method of manufacturing the same Emerging Cross-Sectional Technologies 32 Expired
USD588029S1 Humidity indicator card General 29 Expired
US4837098A Color filter and method of producing the same Emerging Cross-Sectional Technologies 25 Expired
US5113062A Magnetic card having thermal recording layer and arrangement of magnetic bars for recording security information Emerging Cross-Sectional Technologies 21 Expired
US4860275A Optical recording card and method of reading the same Physics 20 Expired
USD587145S1 Humidity indicator card General 19 Expired
US5292616A Optical card of closed type Emerging Cross-Sectional Technologies 18 Expired
US7743642B2 Moisture absorbent material with indicator function, humidity indicator and packaging bag Performing Operations; Transporting 14 Active
USD589380S1 Humidity indicator card General 14 Expired
USD596965S1 Humidity indicator card General 13 Expired
US5246804A Method of retouching pattern Emerging Cross-Sectional Technologies 12 Expired
US7086146B2 Method of manufacturing a shielding base member Emerging Cross-Sectional Technologies 11 Expired
US4682017A Shock-resistant integrated circuit card Electricity 11 Expired
US4747146A System for detecting difference between image on primary sheet and image on secondary sheet Physics 11 Expired
US6203951A Color filter for liquid crystal displays Physics 10 Expired
US4877713A Preformatted optical recording card and method of producing the same Emerging Cross-Sectional Technologies 9 Expired
US5176971A Color filter Physics 9 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.