Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11867407 | Range hood | Kazutoshi Takenoshita, Kenichi Murata, Yurika Kida | 2024-01-09 |
| 11654711 | Writing tool provided with refill | Takayuki Ikai, Seiichi Maruyama | 2023-05-23 |
| 11353219 | Heating cooker | Kazuo Shimizu | 2022-06-07 |
| 10670277 | Oven | Yasushi URAI, Shigeki Hayashi, Seiji Sato, Toshihiro Doi, Kazutoshi Takenoshita +1 more | 2020-06-02 |
| 9638860 | Optical coupling member and optical connector using the same, and optical coupling member holding member | Naohiko Moriya | 2017-05-02 |
| 9372313 | Optical coupling member and optical connector using the same, and optical coupling member holding member | Hitoshi Suzuki, Naohiko Moriya | 2016-06-21 |
| 9195016 | Optical connector | Hitoshi Suzuki, Takeshi Kobayashi | 2015-11-24 |
| 8687929 | Optical collimator, optical connector using same and holding member for optical collimator | Naohiko Moriya, Yojiro Sano, Hitoshi Suzuki | 2014-04-01 |
| 7345100 | Water-based ink composition for ball-point pen | Hideaki Tomi, Yoji Takeuchi, Masaru Miyamoto | 2008-03-18 |
| 7279512 | Water-based ink composition for ballpoint pen | Hideaki Tomi, Yoji Takeuchi, Masaru Miyamoto | 2007-10-09 |
| 6815021 | Recording medium for ink jet printers | Takayuki Ishikawa, Nobuhiro Kubota, Minoru Tsuchida, Shigeki Asai, Takeshi Yoshimoto +3 more | 2004-11-09 |
| 6656544 | Ink-jet recording medium | Takayuki Ishikawa, Nobuhiro Kubota, Shigeki Asai, Minoru Tsuchida, Jun Sugiyama +2 more | 2003-12-02 |
| 6565952 | Ink-jet recording sheet | Takayuki Ishikawa, Shinichiro Kobayashi, Takeshi Yoshimoto, Nobuhiro Kubota, Jun Sugiyama +2 more | 2003-05-20 |
| 6548150 | Medium for ink-jet recording | Takayuki Ishikawa, Takeshi Yoshimoto, Nobuhiro Kubota, Shinichiro Kobayashi, Jun Sugiyama +2 more | 2003-04-15 |
| 6455169 | Inkjet recording sheet | Senichi Yoshizawa, Hiroyuki Onishi, Masaaki Itano, Akio Owatari | 2002-09-24 |
| 6391927 | Method for manufacturing ink follower for water base ballpoint pens | Norio Ogura, Youji Takeuchi, Tadashi Kamagata, Katsuhiko Shiraishi | 2002-05-21 |
| 6376560 | Ink follower for water-base ballpoint pens and method of manufacturing the same | Norio Ogura, Youji Takeuchi, Tadashi Kamagata, Katsuhiko Shiraishi | 2002-04-23 |
| 6350507 | Recording sheet for ink jet printer | Shinitiro Kobayashi, Takeshi Yoshimoto, Takayuki Ishikawa, Nobuhiro Kubota, Jun Sugiyama +2 more | 2002-02-26 |
| 6245422 | Recording medium having gloss surface layer | Hiroyuki Onishi, Masaaki Itano, Senichi Yoshizawa | 2001-06-12 |
| 6227738 | Method of manufacturing ink follower for water-base ballpoint pens | Norio Ogura, Youji Takeuchi, Tadashi Kamagata, Katsuhiko Shiraishi | 2001-05-08 |
| 6139940 | Inkjet recording sheet | Senichi Yoshizawa | 2000-10-31 |
| 6120590 | Water-base ink having metallic lustrous color for ballpoint pen | Masaru Miyamoto | 2000-09-19 |
| 5958564 | Ink jet recording sheet | Senichi Yoshizawa | 1999-09-28 |
| 5384180 | Electrostatic recording medium | Tomio Oki | 1995-01-24 |
| 5234746 | Conductive substrate and printing media using the same | Tomio Oki, Keno Kamimura | 1993-08-10 |