Takeo Yokoyama

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic migration and reversal display panel and magnetic migratio...
- Patent number 7,830,590
- Issue date Nov 9, 2010
- Kabushiki Kaisha Pilot Corporation
- Hideki Misawa
- B44 - DECORATIVE ARTS
Information Patent Grant
Magnetic material-inverting display panel
- Patent number 6,585,523
- Issue date Jul 1, 2003
- Kabushiki Kaisha Pilot
- Masami Tokunaga
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Magnetic material-inverting display panel
- Patent number 6,419,498
- Issue date Jul 16, 2002
- Kabushiki Kaisha Pilot
- Masahiko Ikeda
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Magnetic display panel including substrates and multicell structure...
- Patent number 5,429,503
- Issue date Jul 4, 1995
- Kabushiki Kaisha Pilot
- Yasuzo Murata
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Visible image magnetic card
- Patent number 4,707,593
- Issue date Nov 17, 1987
- Pilot Man-Nen-Hitsu Kabushiki Kaisha
- Yasuzo Murata
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Displaying magnetic panel and its display device
- Patent number 4,143,472
- Issue date Mar 13, 1979
- Pilot Man-Nen-Hitsu Kabushiki Kaisha
- Yasuzo Murata
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Reversal Magnetic Display Panel
- Publication number 20080274445
- Publication date Nov 6, 2008
- Kabushiki Kaisha Pilot Corporation (Also Trading as Pilot Corporation)
- Shinichi Murakata
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Magnetic Migration and Reversal Display Panel and Magnetic Migratio...
- Publication number 20080105550
- Publication date May 8, 2008
- KABUSHIKI KAISHA PILOT CORPORTION (ALSO TRADING AS PILOT CORPORATION
- Hideki Misawa
- B44 - DECORATIVE ARTS
Information Patent Application
Magnetic material-inverting display panel
- Publication number 20010018108
- Publication date Aug 30, 2001
- KABUSHIKI KAISHA PILOT
- Masami Tokunaga
- G02 - OPTICS