Yoji Takeuchi

Follow

Person

Takatsuki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fluorescent substance
- Patent number 6,139,774
- Issue date Oct 31, 2000
- Hitachi Maxell, Ltd.
- Masayuki Yamada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Infrared phosphor and material having latent images and optical rea...
- Patent number 5,611,958
- Issue date Mar 18, 1997
- Hitachi Maxell, Ltd.
- Yoji Takeuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Latent image forming member and method of manufacturing, latent ima...
- Patent number 5,463,212
- Issue date Oct 31, 1995
- Hitachi Maxell, Ltd.
- Toshio Oshima
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Magnetic recording medium
- Patent number 4,830,923
- Issue date May 16, 1989
- Hitachi Maxell, Ltd.
- Kenji Sumiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,803,125
- Issue date Feb 7, 1989
- Hitachi Maxell, Ltd.
- Yoji Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,698,279
- Issue date Oct 6, 1987
- Hitachi Maxell, Ltd.
- Kenji Sumiya
- G11 - INFORMATION STORAGE