Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6710135 | Resin composition and use thereof | Junji Tan, Shoji Obuchi | 2004-03-23 |
| 5959142 | Process for refining methacrylic acid | Tadaharu Hase, Yoshihiro Sezaki, Koji Fujita, Takeshi Isobe, Shin-ichi Tadokoro +1 more | 1999-09-28 |
| 5849257 | Process for preparation of nitrous oxide | Kenji Fujiwara, Hideaki Nakamura, Hiroshi Kato, Susumu Yoshinaga | 1998-12-15 |
| 5689011 | Process for the production of glyoxals and catalysts therefor | Kazuhuyu Sudoh, Masao Tanaka, Hatuo Inoue, Nobuhisa Iwane | 1997-11-18 |
| 5493023 | Granular melamine cyanurate and preparation process thereof | Tetsuo Yoshiyama, Hiroshi Kato, Yuri Kawano | 1996-02-20 |
| 5110575 | Process for producing sinterable crystalline aluminum nitride powder | Masao Tanaka, Atsuhiko Hiai | 1992-05-05 |
| 5019423 | Equipment and method for supply of organic metal compound | Atsuhiko Hiai | 1991-05-28 |
| 4983462 | Method for preparing aluminum nitride and its sinter | Atsuhiko Hiai, Masao Tanaka, Takao Tanaka | 1991-01-08 |
| 4869925 | Method for preparing aluminum nitride and its sinter | Atsuhiko Hiai, Masao Tanaka, Takao Tanaka | 1989-09-26 |
| 4810482 | Process for producing silanes | Tetsuya Iwao, Yoshiaki Toyoda, Nobuhiro Kitano, Masao Tanaka | 1989-03-07 |
| 4656013 | Process for producing germanes | Athuhiko Hiai, Masao Tanaka | 1987-04-07 |
| 4555583 | Preparation process for glyoxal | Yoshiaki Toyoda, Tadaharu Hase, Nobumasa Arashiba | 1985-11-26 |
| D276251 | Toy motorcycle | — | 1984-11-06 |
| 4432544 | Fishing toy | — | 1984-02-21 |
| 4224761 | Toy fishing play unit | — | 1980-09-30 |