Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681485 | Method of producing multilayer circuit boards | Yoshikazu Yamagami, Shinji Seo | 1997-10-28 |
| 5389497 | Method for forming patterned solder mask | Mitsuo Yoshioka, Yoshikazu Yamagami, Kiyomi Sakurai | 1995-02-14 |
| 5368884 | Method of forming solder mask | Yoshikazu Yamagami, Mamoru Seio, Hisaki Tanabe | 1994-11-29 |
| 5367039 | Production of colored vinyl polymer particles by polymerizing a vinyl polymerizable monomer with a polymerizable dye | Naoya Yabuuchi, Chikayuki Otsuka | 1994-11-22 |
| 5185229 | Dry toner for high speed electrophotography | Haruhiko Sato, Katsuaki Kida | 1993-02-09 |
| 5159017 | Crosslinked polymer microparticles and coating composition containing the same | Tadafumi Miyazono, Shinichi Ishikura | 1992-10-27 |
| 5154967 | Composite film and preparation thereof | Keizou Ishii, Teruaki Kuwajima, Hiroshi Miwa, Shinichi Ishikura | 1992-10-13 |
| 5124226 | Dispersion-polymerization process for producing a toner containing a pigment dispersed therein | Naoya Yabuuchi, Masayuki Maruta, Chikayuki Otsuka, Akihiro Kanakura | 1992-06-23 |
| 5064923 | Crosslinked polymer microparticles derived from betaine monomers having three-dimensional network | Keizou Ishii, Kazunori Kanda, Ryuzo Mizuguchi | 1991-11-12 |
| 5059505 | Resin particles | Chikayuki Otsuka, Naoya Yabuuchi | 1991-10-22 |
| 5008318 | Novel composite film and preparation thereof | Keizou Ishii, Teruaki Kuwajima, Hiroshi Miwa, Shinichi Ishikura | 1991-04-16 |
| 4990572 | Composite resin particles and preparation thereof | Tadafumi Miyazono, Shinichi Ishikura | 1991-02-05 |
| 4990571 | Composite resin particles and preparation thereof | Tadafumi Miyazono, Shinichi Ishikura | 1991-02-05 |
| 4983671 | Two component polyurethane coating | Syuhei Numata, Masanori Ohiwa, Toshihiro Maekawa, Tadafumi Miyazono | 1991-01-08 |
| 4968576 | Resinous microparticles useful in powdery toner for electrophotography | Masayuki Maruta, Katsuaki Kida, Eio Hisajima, Naoya Yabuuchi | 1990-11-06 |
| 4920175 | Microparticles having crosslinking reaction promotor function and method of use | Kazunori Kanda, Shinichi Ishikura, Keizou Ishii | 1990-04-24 |
| 4920187 | Process for preparing particles having monodisperse particle size | Chikayuki Otsuka, Katsukiyo Ishikawa | 1990-04-24 |
| 4870132 | Polymerizable amphoinic resins having silicon-containing organic group | Tadafumi Miyazono, Keizou Ishii, Shinichi Ishikura | 1989-09-26 |
| 4842936 | Composite basic resin particles, its preparation and resinous composition for coating use containing the same | Keizou Ishii, Shinichi Ishikura | 1989-06-27 |
| 4833189 | Composite resin particles and preparation thereof | Tadafumi Miyazono, Shinichi Ishikura | 1989-05-23 |
| 4833208 | Composite acrylic resin particles | Tadafumi Miyazono, Shinichi Ishikura | 1989-05-23 |
| 4803252 | Particles of crosslinked polymer prepared by emulsion polymerization in the absence of dispersion stabilizer | Katsuaki Kida, Keizou Ishii, Hiromichi Kayano | 1989-02-07 |
| 4777199 | Coating composition | Keizou Ishii | 1988-10-11 |
| 4777213 | Microparticles having crosslinking reaction promotor function and method of use | Kazunori Kanda, Shinichi Ishikura, Keizou Ishii | 1988-10-11 |
| 4743653 | Two component polyurethane coating | Syuhei Numata, Masanori Ohiwa, Toshihiro Maekawa, Tadafumi Miyazono | 1988-05-10 |