Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11402668 | Frame component, temple, frame, and eyewear | Ryuki Kan, Takafumi Ohto | 2022-08-02 |
| 11294199 | Eyewear | Ryuki Kan, Takafumi Ohto | 2022-04-05 |
| 11294204 | Sensor module, temple, frame and eyewear | Ryuki Kan, Takafumi Ohto | 2022-04-05 |
| 10883880 | Optical characteristic evaluation method and optical characteristic evaluation system | Kazuhiko Hirabayashi, Hirofumi Tanaka, Koji Nakashima | 2021-01-05 |
| D860304 | Eyeglasses | Ryuki Kan, Takafumi Ohto, Hortense Desodt, Thomas Overthun, Martin Kay +2 more | 2019-09-17 |
| D848523 | Eyeglasses | Ryuki Kan, Takafumi Ohto, Masayoshi Hino | 2019-05-14 |
| 9513313 | Method for inspecting electronic device and electronic device inspection apparatus | Hiroaki Arita | 2016-12-06 |
| 8777469 | Light source module and vehicular lamp | Takeshi Ohmi, Kiyoshi Sazuka | 2014-07-15 |
| 8292479 | Vehicular infrared irradiation lamp | Kiyoshi Sazuka, Hiroya Koizumi, Takatomo Fujiyoshi | 2012-10-23 |
| 8000210 | Quarter-wave plate, and optical pickup device | Makiko Saito | 2011-08-16 |
| 7907499 | Optical element, optical element manufacturing method and optical pickup device | Masahiro Morikawa, Hiroshi Miyakoshi | 2011-03-15 |
| 7466488 | Optical element producing method and optical element | Hiroshi Miyakoshi, Kazumi Furuta, Masahiro Morikawa, Makiko Imae | 2008-12-16 |
| 7329378 | Molding method, cooling apparatus and optical element | Hiroshi Miyakoshi, Kazumi Furuta, Masahiro Morikawa, Makiko Imae | 2008-02-12 |
| 7319558 | Wide-band wave plate and a controlling method thereof | Kazumi Furuta, Makiko Imae | 2008-01-15 |
| 7312447 | Electron beam depicting method, mother die manufacturing method, mother die, metallic mold manufacturing method, metallic mold and optical element | Kazumi Furuta | 2007-12-25 |
| 7060175 | Producing method for optical element molding die and producing method for optical element | Masahiro Morikawa, Kazuo Shiozawa, Kazumi Furuta, Yuichi Akanabe | 2006-06-13 |
| 7053387 | Pattern drawing method by scanning beam and pattern drawing apparatus | Kazumi Furuta | 2006-05-30 |
| 7001709 | Method of drawing a pattern on a base material by scanning a beam | Kazumi Furuta | 2006-02-21 |
| 6989536 | Electron-beam writing device and electron-beam writing method | Kazumi Furuta, Kunito Hayashi, Kazuhiko Kobayashi | 2006-01-24 |
| 6916503 | Base material to be coated, coating apparatus, coating method and element producing method | Masahiro Morikawa, Kazumi Furuta, Akiko Kuji | 2005-07-12 |
| 5360156 | Welding management apparatus | Yuji Ishizaka, Takashi Katanosaka, Hiroyasu Kimura | 1994-11-01 |
| 5265787 | Welding management apparatus | Yuji Ishizaka, Takashi Katanosaka, Hiroyasu Kimura | 1993-11-30 |