Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6725322 | Memory card, method for allotting logical address, and method for writing data | Atsushi Shiraishi, Shigemasa Shiota, Yosuke Yukawa, Yuichiro Onuki, Takeshi Suzuki +1 more | 2004-04-20 |
| 6719852 | PROCESSING SOLUTION FOR FORMING HEXAVALENT CHROMIUM FREE AND CORROSION RESISTANT CONVERSION FILM ON ZINC OR ZINC ALLOY PLATING LAYERS, HEXAVALENT CHROMIUM FREE AND CORROSION RESISTANT CONVERSION FILM AND METHOD FOR FORMING THE SAME | Katsuhide Oshima, Shigemi Tanaka, Tomitaka Yamamoto | 2004-04-13 |
| 6720743 | Lighting system | Tadashi Yano, Katsushige Amano, Yoshinori Tanabe, Hiroki Noguchi, Wataru Iwai | 2004-04-13 |