Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5890825 | Composite writing instrument | Hidehei Kageyama, Seiichi Kobayashi, Naoki Sekuguchi | 1999-04-06 |
| 5882132 | Side knock-type mechanical pencil | Hidehei Kageyama | 1999-03-16 |
| 5846009 | Writing tool | Tomiji Ueki | 1998-12-08 |
| 5733057 | Slider for mechanical pencil | — | 1998-03-31 |
| 5165813 | Container with snap-in chuck and chuck ring | Shuhei Kageyama, Tadayoshi Ebinuma, Yoshihide Mitsuya | 1992-11-24 |
| 5138170 | Method and apparatus for identifying chromosomes or cells | Yoshinobu Uchibori, Mikio Yamashita | 1992-08-11 |
| 5041660 | Novel alpha-chloroketone derivative and process for preparation thereof | Keiichi Yokoyama, Noriaki Kihara | 1991-08-20 |
| 5041733 | Method and apparatus for identifying chromosomes or cells | Yoshinobu Uchibori, Mikio Yamashita | 1991-08-20 |
| 4962245 | Process for preparing halogenated benzene derivatives | Takashi Kanai, Michio Kimura | 1990-10-09 |
| 4931344 | Fastener component | Kunihiko Ogawa | 1990-06-05 |
| 4922039 | Process for separating dichlorocumene isomer | Bunshi Yamada, Michio Kimura | 1990-05-01 |
| 4901123 | Superluminescent diode | Haruo Nagai, Kazumasa Takada, Juichi Noda | 1990-02-13 |
| 4842916 | Separable fastener component & moldings attached with such fastener component | Kunihiko Ogawa | 1989-06-27 |
| 4778593 | Method and apparatus for discriminating minute particles | Mikio Yamashita, Takuzo Sato, Yoshinobu Uchibori, Akio Shinohara, Hiroshi Soga +1 more | 1988-10-18 |
| 4426704 | Semiconductor laser with two active layers | Haruo Nagai, Kenichiro Takahei | 1984-01-17 |
| 4272834 | Data line potential setting circuit and MIS memory circuit using the same | Tsuneo Ito | 1981-06-09 |