Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7616225 | Exposure system and production method for exposure system | Akira Shiota, Sadao Masubuchi, Akinobu Iwako | 2009-11-10 |
| 7350504 | Control apparatus and method for inner cylinder direct injection spark ignited internal combustion engine | Tomoyuki Takeda, Akira Nakajima, Taizo Horikomi, Daisuke Takaki, Katsuaki Uchiyama +5 more | 2008-04-01 |
| 7349003 | Method for determining a correction value for light-emitting parts in exposure apparatus | Akira Shiota, Sadao Masubuchi, Akinobu Iwako, Masafumi Yokoyama | 2008-03-25 |
| 7271798 | Liquid crystal exposure device | Sadao Masubuchi, Masafumi Yokoyama, Masaaki Matsunaga | 2007-09-18 |
| 6694961 | Internal combustion engine | Hajime Miura | 2004-02-24 |
| 6402285 | Method of subjecting ink jet printer to preuse treatment | Toshihiro Endo, Mizue Fukushima | 2002-06-11 |
| 5524991 | Printing head having a armature backstop | Katsuya Masuda | 1996-06-11 |
| 5375935 | Printing head having backstop structure | Katsuya Masuda | 1994-12-27 |
| 5370467 | Print head for dot matrix printer | Tsutomu Ikehata, Yukihisa Kato | 1994-12-06 |
| 5257868 | Printer head for printer | Tsutomu Ikehata, Yukihisa Kato | 1993-11-02 |
| 5215389 | Print head for a dot matrix printer | Yukihisa Kato, Tetsuya Yamamoto | 1993-06-01 |
| 5133613 | Printing head using staggered arrangement needles | Tsutomu Ikehata, Hirofumi Suzuki, Katsuya Masuda, Yoshimasa Tai | 1992-07-28 |
| 5102245 | Print head | Tsutomu Ikehata, Katsuya Masuda, Hirofumi Suzuki | 1992-04-07 |
| 5039236 | Print head with tapered conical return spring | Katsuya Masuda, Masao Kunita | 1991-08-13 |
| 5013169 | Print head having reduced noise and vibration characteristics | Tsutomu Ikehata, Hirofumi Suzuki | 1991-05-07 |
| 4921364 | Dot matrix print head having easily removable magnets | — | 1990-05-01 |
| 4687355 | Printing head for use in dot printers | Tsutomu Ikehata, Katsuya Masuda, Takao Michioto | 1987-08-18 |
| 4674896 | Printing mechanism for an impact matrix printer | Yasuhiro Kon | 1987-06-23 |
| 4647236 | Print head | Takashi Moriya, Masahiko Ueda, Tetsuya Yamamoto | 1987-03-03 |
| 4610553 | Leaf spring unit for a dot matrix printer | Tsutomu Ikehata | 1986-09-09 |
| D281076 | Printing hammer for dot printer | Toshio Kurihara, Masao Kunita, Seiichi Osawa, Takashi Moriya | 1985-10-22 |
| D281077 | Core block for printing head | Masao Kunita, Katsuya Masuda, Seiichi Osawa | 1985-10-22 |
| 4540295 | Method for controlling the temperature of the printing head of an impact printer | Mizuho Okunishi | 1985-09-10 |
| 4509421 | Printer head for a dot line printer | Toshio Kurihara, Masao Kunita, Katuya Masuda, Takashi Moriya, Seiichi Oosawa | 1985-04-09 |
| 4484519 | Stylus driving apparatus for printers | Toshio Kurihara, Masao Kunita | 1984-11-27 |