Issued Patents All Time
Showing 101–125 of 137 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5274720 | Optical system having a ring-shaped waveguide | — | 1993-12-28 |
| 5244979 | Pigment dispersing agent | Hisao Ogawa, Toshiya Kitamura, Yoshiaki Matsukura | 1993-09-14 |
| 5187229 | Pigment dispersing agent | Yoshiaki Matsukura, Osamu Ohe, Hisao Ogawa, Masahiro Ishidoya, Yoshiro Matsubara | 1993-02-16 |
| 5180322 | Manufacturing process of shadow mask and shadow mask plate therefor | Koji Sawada | 1993-01-19 |
| 5168701 | Method of controlling the air-fuel ratio in an internal combustion engine | Katsuyuki Kajitani, Youichi Iwakura | 1992-12-08 |
| 5150047 | Member for use in assembly of integrated circuit elements and a method of testing assembled integrated circuit elements | Tamio Saito, Naoharu Ohikata, Jiro Ono | 1992-09-22 |
| 5150198 | Radiator for semiconductor chip | Naoharu Ohikata, Masashi Konda | 1992-09-22 |
| 5137479 | Lead structure for packaging semiconductor chip | Naoharu Ohikata, Tadashi Kamiyama, Masashi Konda | 1992-08-11 |
| 5100969 | Pigment dispersing agent | Yoshiaki Matsukura, Osamu Ohe, Hisao Ogawa, Masahiro Ishidoya, Yoshiro Matsubara | 1992-03-31 |
| 5101070 | Process for preparing valproic acid | Akira Yamashita, Noriyoshi Numoto | 1992-03-31 |
| 5079477 | Slot type shadow mask | — | 1992-01-07 |
| 5031022 | Film carrier for mounting IC chips | Tamio Saito, Naoharu Ohikata, Jiro Ohno, Michio Osada | 1991-07-09 |
| 4933417 | Pigment dispersing agent | Yoshiro Matsubara | 1990-06-12 |
| 4891296 | Pattern transfer method and silver halide photographic plate to be used for said method | Shigeru Tsurukiri, Hiroshi Sugita, Masaru Kawasaki, Eiji Horie | 1990-01-02 |
| 4773647 | Slot machine with stop switch enablement after attainment of minimum reel speed | Kazuo Okada | 1988-09-27 |
| D297564 | Temperature and humidity chamber | Mitsuyoshi Futatsuka | 1988-09-06 |
| D297361 | Temperature and humidity chamber | Mitsuyoshi Futatsuka | 1988-08-23 |
| 4765078 | Reel assembly for slot machines | — | 1988-08-23 |
| 4755257 | Method of processing thin metal sheets by photoetching | Masaru Kawasaki, Takefumi Kandori, Ryoichi Ando | 1988-07-05 |
| D290615 | Electronic typewriter | — | 1987-06-30 |
| D287855 | Printer | — | 1987-01-20 |
| 4621815 | Reel assembly for slot machines | — | 1986-11-11 |
| 4619396 | Cold pressure-welding apparatus | — | 1986-10-28 |
| D286058 | Printing ribbon cassette | — | 1986-10-07 |
| 4614949 | Transfer-type thermal printer | Kunio Hakkaku, Yoh Matsushita, Takahiko Tokumasu | 1986-09-30 |