Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11876014 | Method of transferring device layer to transfer substrate and highly thermal conductive substrate | Yoshihiro Kubota | 2024-01-16 |
| 11361969 | Device substrate with high thermal conductivity and method of manufacturing the same | Yoshihiro Kubota | 2022-06-14 |
| 11069560 | Method of transferring device layer to transfer substrate and highly thermal conductive substrate | Yoshihiro Kubota | 2021-07-20 |
| 10781104 | Composite substrate, method for forming nanocarbon film, and nanocarbon film | Shoji Akiyama, Yoshihiro Kubota, Makoto Kawai, Hiroshi Mogi | 2020-09-22 |
| 10049951 | Bonded substrate, method for manufacturing the same, and support substrate for bonding | Makoto Kawai | 2018-08-14 |
| 9837301 | Method for producing hybrid substrates, and hybrid substrate | Yoshihiro Kubota | 2017-12-05 |
| 9716107 | Composite substrate | Makoto Kawai | 2017-07-25 |
| 9646873 | Method for producing SOS substrates, and SOS substrate | Yoshihiro Kubota, Makoto Kawai, Shoji Akiyama, Kazutoshi Nagata | 2017-05-09 |
| 9613849 | Composite substrate manufacturing method, and composite substrate | Shozo Shirai | 2017-04-04 |
| 9425248 | Composite substrate | Yoshihiro Kubota, Makoto Kawai | 2016-08-23 |
| 9083026 | Electrolyte membrane-electrode assembly for direct methanol fuel cell | Hiroshi Matsukawa, Nobuo Kawada, Toshio Ohba | 2015-07-14 |
| 8748334 | Process for producing electrode catalyst for fuel cell | — | 2014-06-10 |
| 8178462 | Method for production of electrode catalyst for fuel cell | — | 2012-05-15 |
| 7951503 | Curable resin composition for fuel cell electrolyte film and electrolyte film, process for producing the same, electrolyte film/electrode assembly, and process for producing the same | Mitsuhito Takahashi, Toshio Ohba, Nobuo Kawada | 2011-05-31 |
| 7629020 | Methods for preparing electrolyte membrane and electrolyte membrane/electrode assembly for fuel cells | Toshio Ohba, Mitsuhito Takahashi, Norifumi Takahashi | 2009-12-08 |
| 6806990 | Optical device and method for producing optical device | Hiroki Yoshikawa, Masatoshi Ishii, Toru Shirasaki | 2004-10-19 |
| 6668122 | Coated optical fiber | Shouhei Kozakai, Masatoshi Asano, Toshio Ohba | 2003-12-23 |
| 6615614 | Method for preparing optical waveguide substrate | Shinji Makikawa, Seiki Ejima | 2003-09-09 |