Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10376899 | Magnetic-matter removing apparatus and magnetic-matter removing method | Norihiko Ikenaga, Hirofumi Honda | 2019-08-13 |
| 8870627 | Polishing method and polishing apparatus | Hiroto Fukushima, Ken-ichiro Isobe, Tomonori Miura, Shoji Nakao | 2014-10-28 |
| 8564210 | Light source module and lighting apparatus, and illumination apparatus using same | Katunobu Hamamoto, Hiroshi Sugawara, Kei Mitsuyasu | 2013-10-22 |
| 8002610 | Double side polishing method and apparatus | Ken-ichiro Isobe, Heigo Tanaka, Tomio Fukushima, Kiyohide Murata, Tsuneo Takeda +2 more | 2011-08-23 |
| 7648409 | Double side polishing method and apparatus | Ken-ichiro Isobe, Heigo Tanaka, Tomio Fukushima, Kiyohide Murata, Tsunco Takeda +2 more | 2010-01-19 |
| 7029380 | Double-side polishing method and apparatus | Shoji Nakao | 2006-04-18 |
| 6107064 | Process for producing xanthine derivatives with bacteria and fungi | Junichi Shimada, Tamotsu Eguchi, Kenichi Mochida, Tohru Yasuzawa, Hideaki Kusaka +2 more | 2000-08-22 |
| 5874624 | Process for the preparation of a dihydroxyamino compound | Akihisa Takabe, Etsuo Takemoto | 1999-02-23 |
| 5756780 | Process for the preparation of a purified 3,4-epoxycyclohexyl methyl(meth)acrylate and, a stabilized 3,4-epoxycyclohexyl methyl acrylated | Kyuichi Ohyama | 1998-05-26 |
| 5466856 | Method of producing carbonic diesters | Shingo Oda | 1995-11-14 |
| 4841916 | Evaporating apparatus with preheater | Hiroyuki Sumitomo | 1989-06-27 |
| 4827877 | Heat recovery system utilizing non-azeotropic medium | Hiroyuki Sumitomo | 1989-05-09 |
| 4785876 | Heat recovery system utilizing non-azetotropic medium | Hiroyuki Sumitomo | 1988-11-22 |
| 4779424 | Heat recovery system utilizing non-azeotropic medium | Hiroyuki Sumitomo | 1988-10-25 |
| 4720413 | Magnetic recording medium having a back coat layer | Isao Sasaki, Hirokazu Moriizumi | 1988-01-19 |
| 4707403 | Magnetic recording medium having an improved magnetic recording layer | Hirokazu Moriizumi, Isao Sasaki | 1987-11-17 |
| 4685105 | Loop transmission method | Toshihiro Shikama, Takahisa Ota, Michihiro Ishizaka, Hirofumi Kira, Yuji Kooi | 1987-08-04 |
| 4608829 | Waste heat recovering device | Hiroyuki Sumitomo | 1986-09-02 |
| 4509592 | Plate type evaporator | Ken'ichi Yamada, Hiroyuki Sumitomo, Kenzo Masutani | 1985-04-09 |
| 4485347 | Digital FSK demodulator | Shigeichi Hirasawa | 1984-11-27 |
| 4458748 | Plate type evaporator | Ken'ichi Yamada, Hiroyuki Sumitomo, Kenzo Masutani | 1984-07-10 |
| 4371034 | Plate type evaporator | Ken'ichi Yamada, Hiroyuki Sumitomo, Kenzo Masutani | 1983-02-01 |
| 4285395 | Structure of fluid condensing and heat conducting surface of condenser | Kenzo Masutani, Hiroyuki Sumitomo | 1981-08-25 |