Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660634 | Method of producing rubber seal | Yasunori Murakami | 2023-05-30 |
| 11557774 | Metal separator | Yasunori Murakami | 2023-01-17 |
| 11431003 | Separator assembly used for fuel cell | Kento Suzuki, Kentaro Ishida, Akihito Giga | 2022-08-30 |
| 10833338 | Seal structure | Shuhei Goto, Ken Takahashi | 2020-11-10 |
| 10476086 | Resin-framed stepped membrane electrode assembly for fuel cell | Eri TERADA, Satoru Terada, Masaki Tani, Shintaro Tanaka, Seiji Sugiura | 2019-11-12 |
| 9966623 | Electrolyte membrane-electrode structure with resin frame for fuel cells | Yukihito Tanaka, Hiroshi Sohma, Kenichi Tanaka, Naoki Mitsuta, Masashi Sugishita +1 more | 2018-05-08 |
| 8351115 | Complex type microscopic device | Hisashi Isozaki, Fumio Ohtomo | 2013-01-08 |
| 8304127 | Fuel cell stack | So Fujiwara, Seiji Sugiura | 2012-11-06 |
| 8043766 | Fuel cell exhibiting enhanced separator sealing structure | Shuhei Goto, Natsuki Anzai, Daisuke Okonogi, Hiroyuki Tanaka, Masaaki Sakano | 2011-10-25 |
| 7758991 | Fuel cell | Shuhei Goto, Takahiro Takeshita, Ken Takahashi, Narutoshi Sugita, Hiroyuki Tanaka | 2010-07-20 |
| 7566129 | Ophthalmologic apparatus | Masayuki Hideshima, Makoto Fujino, Yoichiro Iwa, Akemi Miwa, Yoshiaki Goto +2 more | 2009-07-28 |
| 7533990 | Ophthalmologic apparatus | Masayuki Hideshima, Makoto Fujino, Yoichiro Iwa, Akemi Miwa, Yoshiaki Goto +2 more | 2009-05-19 |
| 4932774 | Illuminating system of ophthalmological instrument | Kazutoshi Takagi, Nobuaki Kitajima | 1990-06-12 |
| 4854691 | Laser beam scanning type eye fundus camera | Akihiko Sekine, Shinji Wada, Takashi Yokokura, Masayuki Hideshima | 1989-08-08 |
| 4838680 | Optical system for retinal camera | — | 1989-06-13 |
| 4834526 | Eye fundus camera having automatic exposure control means | — | 1989-05-30 |
| 4712894 | Ophthalmoscopic instrument having working position detecting means | — | 1987-12-15 |
| 4558932 | Variable image magnification eye fundus camera | — | 1985-12-17 |
| 4544248 | Ophathalmoscopic camera having a focus detecting system | — | 1985-10-01 |
| 4511227 | Ophthalmic apparatus having means for automatic detection of appropriate position of eye to be examined | Masayuki Masuyama | 1985-04-16 |
| 4468104 | Working distance detecting device for ophthalmic instruments | — | 1984-08-28 |
| 4435051 | Working distance detecting device for ophthalmic apparatus | — | 1984-03-06 |
| 4422736 | Eye fundus camera having ring slit mask in illuminating system | — | 1983-12-27 |
| 4405215 | Working position locating means for ophthalmologic apparatus | Eiichi Sano | 1983-09-20 |
| 4400070 | Focus detecting device for opthalmologic instruments | Masaru Isono, Masayuki Kondo, Shinzo Takada | 1983-08-23 |