Issued Patents All Time
Showing 226–250 of 290 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5432530 | Pointing device and method of control of same | Takashi Arita, Akihiko Sakaguchi, Masanori Okahashi | 1995-07-11 |
| 5402641 | Exhaust gas purification apparatus for an internal combustion engine | Kenji Katoh, Shinichi Takeshima, Satoshi Iguchi, Masato Goto, Tetsuro Kihara +2 more | 1995-04-04 |
| 5365733 | Exhaust gas purification system for an internal combustion engine | Shinichi Takeshima, Tokuta Inoue | 1994-11-22 |
| 5331656 | Very short wavelength semiconductor laser | — | 1994-07-19 |
| 5316513 | Electrothermal color-varying device and toy utilizing the same | Tanehiro Nakagawa, Yoshiaki Ono, Tsutomu Tomatsu, Takeo Yamaguchi, Kyoji Aoyama | 1994-05-31 |
| 5233830 | Exhaust gas purification system for an internal combustion engine | Shinichi Takeshima, Tokuta Inoue | 1993-08-10 |
| 5205988 | Apparatus for measuring gaseous aldehyde | Kiyokatsu Hibi, Toshihiko Miyaji | 1993-04-27 |
| 5196971 | Tape loading mechanism for use in magnetic recording/reproducing apparatus having tape control features for preventing damage to tape | Yuzo Tsuchiya | 1993-03-23 |
| 5186233 | Method of producing spheroidal graphite cast iron article | Fumio Obata, Hideaki Nagayoshi | 1993-02-16 |
| 5157679 | Optoelectronic devices | Masahiko Kondow, Toshihiro Kawano, Shigekazu Minagawa, Shin Satoh, Kenji Uchida +1 more | 1992-10-20 |
| 5149504 | Apparatus for assessing gas odor intensity | — | 1992-09-22 |
| 5141906 | Catalyst for purifying exhaust gas | Shinichi Takeshima, Kiyohiko Oishi, Tokuta Inoue | 1992-08-25 |
| 5130761 | Led array with reflector and printed circuit board | — | 1992-07-14 |
| 5106755 | Method of assessing gas odor intensity | — | 1992-04-21 |
| 5100612 | Spheroidal graphite cast iron | Fumio Obata | 1992-03-31 |
| 5065007 | Apparatus for measuring light output from semiconductor light emitting element | — | 1991-11-12 |
| 4970662 | X-Y plotter | Takashi Arita, Kazuomi Ogata, Hiroyuki Iijima | 1990-11-13 |
| 4967241 | Semiconductor light emitting device | Hideaki Kinoshita | 1990-10-30 |
| 4961197 | Semiconductor laser device | Takashi Kajimura, Toshihiro Kawano, Yuichi Ono | 1990-10-02 |
| 4952767 | EDM with an electromagnetic shield of hollow ferrite beads floating on dielectric fluid | Kazuhiko Uemoto | 1990-08-28 |
| 4945199 | Electric discharge machining method and device | Morihisa Nishikawa, Yoshio Ozaki, Kooji Akamatsu, Masahiro Nakata, Atsushi Taneda | 1990-07-31 |
| 4906954 | Directional coupler device | Masayoshi Aikawa | 1990-03-06 |
| 4884538 | Diesel engine swirl chamber | — | 1989-12-05 |
| 4875444 | Swirl chamber for diesel engines and the like | Hirofumi Tsuchida, Akira Oyamada, Sumio Hirao | 1989-10-24 |
| 4860220 | Apparatus for displaying three-dimensional objects | Kiroyuki Mizutani | 1989-08-22 |