Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7622898 | Charging or discharging apparatus for electrically charging or discharging a capacitor storage type power source adapted to store electric energy in electric double layer capacitors | Masaaki Shimizu, Katsuji Mitsui, Masahiko Shimizu, Shinichi Yamamoto, Atsushi Shimizu +2 more | 2009-11-24 |
| 6885170 | Connection-switched capacitor storage system | Michio Okamura | 2005-04-26 |
| 6317343 | Capacitor power supply with switches to decrease variations in output voltage | Michio Okamura, Akinori Mogami | 2001-11-13 |
| 6215278 | Capacitor module, bank of such modules, and storehouse housing such banks | Michio Okamura, Akinori Mogami | 2001-04-10 |
| 5734205 | Power supply using batteries undergoing great voltage variations | Michio Okamura | 1998-03-31 |
| 5423367 | Blind with two-part angular slats having cord passing slots formed only in one of the parts | Mamoru Kataoka, Hiroomi Yamanaka, Akira Sone, Kenichi Saitoh, Shimichiro Yoshida | 1995-06-13 |
| 5331457 | Stereomicroscope wherein the distance between a pair of beams remains unchanged when the magnification is changed | Toyoharu Hanzawa, Kimihiko Nishioka, Yoshihiro Kawano | 1994-07-19 |
| 5227914 | Stereomicroscope including a single variable magnification optical system | Toyoharu Hanzawa, Tomonori Ishikawa, Shinichi Nakamura, Hiroshi Fujiwara, Masahiko Kinukawa +5 more | 1993-07-13 |
| 5074650 | Stereomicroscope including an objective with positive and negative meniscus lenses and with optical axes intersecting beyond the object | Fukuo Komaba | 1991-12-24 |
| 4736284 | Switching power supply circuit including forward converter | Masahiko Shimizu | 1988-04-05 |
| 4685776 | Inverted-design optical microscope | Yasuo Inoue, Ken Yonekubo, Itaru Endo | 1987-08-11 |
| 4591243 | Microscope objective | — | 1986-05-27 |
| 4563060 | Microscope objective | — | 1986-01-07 |