Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663019 | Process for producing multicolor display | Akira Matsumura, Masashi Ohata, Atsushi Kawakami | 1997-09-02 |
| 5215782 | Method of forming ferrite coatings | Katsuaki Yoshioka, Masao Oishi, Takao Saito | 1993-06-01 |
| 5213850 | Process for plating a metallic deposit between functional pattern lines on a substrate | Akira Matsumura, Masashi Ohata | 1993-05-25 |
| 5213946 | Positive type, photosensitive resinous composition | Masamitsu Shirai, Masahiro Tsunooka, Kanji Nishijima | 1993-05-25 |
| 5186801 | Production of color filter | Akira Matsumura, Masashi Ohata | 1993-02-16 |
| 5181984 | Production of solder masked electric circuit boards | Akira Matsumura | 1993-01-26 |
| 5175076 | Water-developable photosensitive composition for producing relief plates | Hidefumi Kusuda, Katsuji Konishi | 1992-12-29 |
| 5166036 | Electrodeposition coating composition and image-forming method using the same | Mamoru Seio, Takeshi Ikeda, Kanji Nishijima | 1992-11-24 |
| 5055374 | Electrodeposition coating composition containing an acrylic resin and a quinnone diazide group bearing resin | Mamoru Seio, Takeshi Ikeda, Kanji Nishijima | 1991-10-08 |
| 4999274 | Positive type photosensitive resinous composition with 1,2 quinone diazide sulfonyl unit | Mamoru Seio, Kanji Nishijima | 1991-03-12 |
| 4977053 | Magnetic-shell-coated toner | Masao Ohishi, Katsuaki Kida, Takao Saito, Kouichi Nagata | 1990-12-11 |
| 4946757 | Positive type 1,2 quinone diazide containing photosensitive resinous composition with acrylic copolymer resin | Mamoru Seio, Kanji Nishijima | 1990-08-07 |
| 4920187 | Process for preparing particles having monodisperse particle size | Akio Kashihara, Chikayuki Otsuka | 1990-04-24 |
| 4911957 | Method of forming ferrite film on particles or fibers | Masao Oishi, Takao Saito | 1990-03-27 |
| 4902592 | Production of color display | Akira Matsumura, Masashi Ohata | 1990-02-20 |
| RE33108 | Method for preparing a printed circuit board | Kanji Nishijima, Mamoru Seio | 1989-11-07 |
| 4869995 | Positive type photosensitive resinous composition | Masamitsu Shirai, Masahiro Tsunooka, Makoto Tanaka, Kanji Nishijima | 1989-09-26 |
| 4853092 | Production of multicolor display | Akira Matsumura, Yasuo Nozaki | 1989-08-01 |
| 4837046 | Method for forming ferrite film | Masao Oishi, Takao Saito, Masanori Abe, Yutaka Tamaura | 1989-06-06 |
| 4816365 | Electrostatic recording dry toner | — | 1989-03-28 |
| 4816364 | Magnetic carrier particles for electrophotographic developer having plated layer of iron oxide | Masao Oishi, Takao Saito, Kouichi Nagata, Eio Hisajima | 1989-03-28 |
| 4673458 | Method for preparing a printed circuit board | Kanji Nishijima, Mamoru Seio | 1987-06-16 |
| 4671854 | Method for preparing a printed circuit board with solder plated circuit and through-holes | Kanji Nishijima, Mamoru Seio | 1987-06-09 |
| 4288517 | Toner for electrostatic photography containing resin coated silica particles | Seiji Arimatsu, Yasusi Umeda, Koichi Nagata | 1981-09-08 |