Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11253834 | Flow reaction facility and flow reaction method | Masataka Hasegawa | 2022-02-22 |
| 8940200 | Manufacturing method for light guide plate | Mitsuhide Sakamoto, Noboru Iwanaga | 2015-01-27 |
| 8549777 | Method for manufacturing light guide plate, light guide plate, and light emitting sign using the light guide plate | Noboru Iwanaga | 2013-10-08 |
| 7721626 | Fuse puller | Norihiro Obama, Hiroyasu Furuya, Masahiro Kawazu, Junpei Kitagawa, Toshihisa Yagi | 2010-05-25 |
| 7344415 | Fuse block | Yuichiro Goto, Masahiro Kawazu | 2008-03-18 |
| 6870096 | Electrical junction box and method of manufacturing the same | Katsuya Suzuki, Hiroaki Sakata, Yuichi Ishida, Kazuhiro Shimizu | 2005-03-22 |
| 5925844 | Piano with built-in electronic musical instrument | — | 1999-07-20 |
| 5907115 | Keyboard musical instrument with keyboard range indicator | Hiroshi Matsunaga, Hiroshi Kitagawa, Toshinori Matsuda | 1999-05-25 |
| 5886279 | Switch mechanism of piano with built-in electronic musical instrument | — | 1999-03-23 |
| 5629490 | Piano | — | 1997-05-13 |
| 5012715 | Sensor for an automatic piano player apparatus | Hiroshi Matsunaga, Hisamitsu Honda, Haruhiko Matsui, Masahiko Akita, Tetsusai Kondo +1 more | 1991-05-07 |