Issued Patents All Time
Showing 51–75 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6864337 | Polycarboxylic acid copolymer, production method and use thereof | Tsutomu Yuasa, Tomotaka Nishikawa, Noboru Sakamoto, Tsuyoshi Hirata, Hiroko Izukashi +3 more | 2005-03-08 |
| 6762325 | Method for production of alkoxylated compound | Toru Inaoka, Yasuhiko Sato, Yoshiyuki Onda, Tsuyoshi Hirata | 2004-07-13 |
| 6727315 | Copolymer for cement admixtures and its production process and use | Masaya Yamamoto, Toru Uno, Yoshiyuki Onda, Akihiko Yamashita, Tsuyoshi Hirata +1 more | 2004-04-27 |
| 6716896 | Method for production of esterified product and apparatus therefor | Tsuyoshi Hirata, Tsutomu Yuasa | 2004-04-06 |
| 6569234 | Cement dispersant and cement composition comprising this | Akihiko Yamashita, Masaya Yamamoto, Toru Uno, Yoshiyuki Onda, Tsuyoshi Hirata | 2003-05-27 |
| 6544123 | Game apparatus, command input method for video game and computer-readable recording medium recording programs for realizing the same | Daisuke Watanabe | 2003-04-08 |
| RE37979 | Pyrimidine derivatives and anti-viral agent containing the same as active ingredient thereof | Tadashi Miyasaka, Erik Desire Alice DeClercq, Masanori Baba, Richard T. Walker, Masaru Ubasawa | 2003-02-04 |
| 6362364 | Method for production of esterified product and apparatus therefor | Tsuyoshi Hirata, Tsutomu Yuasa | 2002-03-26 |
| 6358148 | Control method, apparatus and carrier wave for difficulty in a video game | — | 2002-03-19 |
| 6273822 | Computer-readable recording medium, game controlling method and game apparatus | — | 2001-08-14 |
| 6271881 | Color image pickup apparatus for progressive scanning video signal | Yuichirou Takahashi, Atsuto Kanazawa, Masaki Kariya, Masayuki Serizawa, Kenji Tamura +2 more | 2001-08-07 |
| 6258162 | Cement composition | Hirokatsu Kawakami, Hirokazu Niwa, Tsutomu Yuasa, Tsuyoshi Hirata | 2001-07-10 |
| 6015651 | Solder resist ink composition of a novolak-epoxy resin | Toshio Awaji, Nobuaki Otsuki, Motohiro Arakawa | 2000-01-18 |
| 5461060 | Pyrimidine derivatives and anti-viral agent containing the same as active ingredient thereof | Tadashi Miyasaka, Erik De Clercq, Masanori Baba, Richard T. Walker, Masaru Ubasawa | 1995-10-24 |
| 5318972 | Pyrimidine nucleoside derivative and antiviral agent containing the derivative as active ingredient | Tadashi Miyasaka, Erik De Clercq, Masanori Baba, Richard T. Walker, Masaru Ubasawa | 1994-06-07 |
| 5112835 | 6-substituted acyclopyrimidine nucleoside derivatives and antiviral agents containing the same as active ingredient thereof | Tadashi Miyasaka, Erik De Clercq, Masanori Baba, Richard T. Walker, Masaru Ubasawa | 1992-05-12 |
| 4961204 | PCM signal generating/reproducing apparatus | Takao Arai, Toshifumi Takeuchi, Seiichi Saito | 1990-10-02 |
| 4850692 | Semiconductor light position detector for rangefinder | Yoshiaki Hirao, Ryuichiro Kuga, Hiroyuki Asakura, Shusuke Ono, Yoshitomi Nagaoka +1 more | 1989-07-25 |
| 4630106 | Color solid-state imager with color filter having an overlapping segmented filter arrangement | Atsushi Morimura | 1986-12-16 |
| 4614934 | Digital-to-analog converter device for processing PCM signals of different sampling frequencies | Masaharu Kobayashi, Takaharu Noguchi, Keizo Nishimura, Masami Nishida, Takao Arai | 1986-09-30 |
| 4570178 | Solid state color imaging apparatus | Atsushi Morimura | 1986-02-11 |
| 4562549 | Digital player using a pulse width detector | Hiroyuki Kimura, Tsutomu Noda, Takao Arai, Masaharu Kobayashi, Shigeki Inoue | 1985-12-31 |
| 4467370 | PCM Recorder with pause controlled signal rearranging | Takashi Hoshino | 1984-08-21 |
| 4340909 | Solid state area imaging apparatus | Takahiro Yamada | 1982-07-20 |
| 4309726 | Muting circuit in a PCM recording and reproducing apparatus | Takashi Hoshino, Takao Arai | 1982-01-05 |