Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11415117 | Torque conversion device | — | 2022-08-16 |
| 10144077 | Wire electrical discharge apparatus and initial hole machining method | Takayuki Nakagawa | 2018-12-04 |
| 9533365 | Electric discharge machining apparatus | Ieyoung Kim, Takashi Hashimoto, Takayuki Nakagawa, Yuto Sasaki | 2017-01-03 |
| 9440300 | Electric discharge machining apparatus | Takashi Hashimoto, Ieyoung Kim, Takayuki Nakagawa, Yuto Sasaki, Yuji Nasu +1 more | 2016-09-13 |
| D674540 | Hair treatment apparatus | Takaharu Kabetani, Eiichi Ikezaki | 2013-01-15 |
| 8132572 | Permanent wave treatment method and apparatus thereof | Hideyuki Kawabata, Koji Okamoto, Takashi Hoshina, Ryuhei Nagata, Yasuaki Nakatani +7 more | 2012-03-13 |
| D608551 | Barber or beauty chair | — | 2010-01-26 |
| D561391 | Hair treatment accelerating device | — | 2008-02-05 |
| 5783047 | Heat integrated distillation column | Kazumasa Aso, Hiroshi Matsuo, Hideo Noda, Nobuyuki Kobayashi | 1998-07-21 |
| 5750084 | Fluidized-bed denitrating method | Kazuo Tsutsumi, Yasufumi Sakakida, Tarou Kawamura | 1998-05-12 |
| 5379705 | Fluidized-bed incinerator | Kazuo Tsutsumi, Tadashi Katahata, Toshinori Muraoka | 1995-01-10 |
| 4877397 | Plant for manufacturing cement clinker | June Tatebayashi, Kimitaka Hayashi, Chikanori Kumagai | 1989-10-31 |