Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623812 | Reflector, method for fabrication thereof and reflective liquid crystal display device incorporating the reflector | Hideto Tanaka, Hiromasa Minamino, Hirokazu Kaji, Masashi Ohata | 2003-09-23 |
| 6366333 | Method of forming a conductive and reflective thin metal film suitable for a reflective LCD device and a device produced by the method | Akira Yamamoto, Masashi Ohata | 2002-04-02 |
| 5531881 | Method for correcting defect in color filter | Akira Matsumura, Masashi Ohata | 1996-07-02 |
| 5474666 | Method of treating an electrodeposited photosensitive resist to reduce water spotting | Kazuyuki Suga, Kanji Nishijima | 1995-12-12 |
| 5401604 | Positive-type photosensitive resin compositions with quinone diazide sulfonyl unit | Chikayuki Otsuka, Kiyomi Sakurai, Kazuyuki Kawamura | 1995-03-28 |
| 5368884 | Method of forming solder mask | Yoshikazu Yamagami, Akio Kashihara, Hisaki Tanabe | 1994-11-29 |
| 5232816 | Positive type photosensitive resinous composition comprising a resin copolymer having at least a phosphoric acid ester monomer | Takeshi Ikeda, Kiyomi Sakurai | 1993-08-03 |
| 5166036 | Electrodeposition coating composition and image-forming method using the same | Takeshi Ikeda, Kanji Nishijima, Katsukiyo Ishikawa | 1992-11-24 |
| 5055374 | Electrodeposition coating composition containing an acrylic resin and a quinnone diazide group bearing resin | Takeshi Ikeda, Kanji Nishijima, Katsukiyo Ishikawa | 1991-10-08 |
| 4999274 | Positive type photosensitive resinous composition with 1,2 quinone diazide sulfonyl unit | Kanji Nishijima, Katsukiyo Ishikawa | 1991-03-12 |
| 4952481 | Photosensitive resin composition | Hidefumi Kusuda, Masami Kawabata | 1990-08-28 |
| 4946757 | Positive type 1,2 quinone diazide containing photosensitive resinous composition with acrylic copolymer resin | Kanji Nishijima, Katsukiyo Ishikawa | 1990-08-07 |
| RE33108 | Method for preparing a printed circuit board | Katsukiyo Ishikawa, Kanji Nishijima | 1989-11-07 |
| 4673458 | Method for preparing a printed circuit board | Katsukiyo Ishikawa, Kanji Nishijima | 1987-06-16 |
| 4671854 | Method for preparing a printed circuit board with solder plated circuit and through-holes | Katsukiyo Ishikawa, Kanji Nishijima | 1987-06-09 |