Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6071441 | Method of manufacturing distributed refractive index optical fiber | Koji KOGANEZAWA, Tsuyoshi Onishi, Takashi Tsukamoto | 2000-06-06 |
| 5846465 | Method for preparing a plate member for a window with a resinous frame | Masaki Tsujino, Koji KOGANEZAWA | 1998-12-08 |
| 5698157 | Method of making a window panel with a resin frame | Koji KOGANEZAWA, Tsuyoshi Onishi | 1997-12-16 |
| 5560959 | Process for producing a multi-layer film | Hiroshi Shimoda, Hiroyuki Watanabe, Kaori Yoshida, Jean-Louis Bravet, Michel Moncheaux | 1996-10-01 |
| 5489409 | Method of making a window frame and a window panel with a window frame | Kouji Koganezawa, Masaki Tsujino | 1996-02-06 |
| 5474802 | Process for producing a double-layer film | Hiroshi Shimoda, Yoshiyuki Kuwabara | 1995-12-12 |
| 5362428 | Method of making a window panel with a synthetic resin frame | Masaki Tsujino, Kazuhiko Kuga | 1994-11-08 |
| 5196210 | Shaping mold for preparing a window glass with a gasket | Yoshio Hosaka, Shigehito Shibata, Nobuaki Kunii | 1993-03-23 |
| 5171508 | Method of making window glass with a gasket | Tsuneo Ishizu, Shoji Atsuta, Toshio Ito | 1992-12-15 |
| 5061429 | Method of forming a gasket on window shaping mold for preparing such window glass | Yoshio Hosaka, Shigehito Shibata, Nobuaki Kunii | 1991-10-29 |
| 4838914 | Process for producing silica glass fibers | Hironori Ohta, Toshiyasu Kawaguchi, Takashi Mukaiyama, Katsuhiko Matsuzaki, Junichi Ebisawa +4 more | 1989-06-13 |
| 4631075 | Composite membrane for gas separation | Masaaki Yamabe, Shigeyoshi Kobayashi, Masaru Nakamura | 1986-12-23 |