Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372043 | Stirling engine | Kazuyuki Koda, Masato Kitazaki, Jiro Fukudome, Nobu Kobayashi | 2025-07-29 |
| 11976609 | Stirling engine | Masato Kitazaki, Toru Yoshizuka, Taeko Tahara | 2024-05-07 |
| 11572614 | Multi-chamber heat treatment device | Ichiro Nakamoto, Takuma Yoshida | 2023-02-07 |
| 10676858 | Condenser and cleaning device | Kazuhiko Katsumata, Masatoshi MITSUZUKA, Takahiro Nagata | 2020-06-09 |
| 10323315 | Carburizing device | Kazuhiko Katsumata, Masatoshi MITSUZUKA, Takahiro Nagata | 2019-06-18 |
| 10118204 | Cleaning apparatus | Kazuhiko Katsumata, Masatoshi MITSUZUKA, Takahiro Nagata | 2018-11-06 |
| 9926621 | Carburizing device | Kazuhiko Katsumata, Masatoshi MITSUZUKA, Takahiro Nagata | 2018-03-27 |
| 9097206 | Stirling engine and method of removing impurities in a heat-transfer tube group in a power device or a power-generating device which uses a stirling engine | Teruyuki Akazawa, Tsutomu Nakatsuka, Taeko Tahara | 2015-08-04 |
| 8899037 | Stirling engine | Teruyuki Akazawa, Tsutomu Nakatsuka, Taeko Tahara | 2014-12-02 |
| 8707738 | Glass-melting furnace, process for producing molten glass, apparatus for producing glass products and process for producing glass products | Chikao Tanaka, Seiji Miyazaki, Satoru Ohkawa | 2014-04-29 |
| 8573007 | Process for producing molten glass, glass-melting furnace, process for producing glass products and apparatus for producing glass products | Chikao Tanaka, Seiji Miyazaki, Satoru Ohkawa, Takahiro Murakami | 2013-11-05 |
| 8556759 | Hydraulic pressure control apparatus for automatic transmission | — | 2013-10-15 |
| 8544298 | Glass-melting furnace, process for producing molten glass, apparatus for producing glass products and process for producing glass products | Chikao Tanaka, Seiji Miyazaki, Satoru Ohkawa | 2013-10-01 |
| 8317655 | Hydraulic pressure control apparatus for torque converter | — | 2012-11-27 |
| 7735313 | Method of raising temperature in exhaust-gas purifier and exhaust-gas purification system | Kazuo Osumi, Yousuke Tanaka, Junichi Oonuma, Kazuhiro Enoki | 2010-06-15 |
| 7513269 | Hydraulic control system for automatic transmission | Kiyoharu Takagi | 2009-04-07 |
| 7364525 | Hydraulic control apparatus of automatic transmission | Kiyoharu Takagi | 2008-04-29 |
| 6710395 | Non-volatile semiconductor memory device with improved performance | Kiyoteru Kobayashi | 2004-03-23 |
| 6459121 | Method for producing non-violatile semiconductor memory device and the device | Naoki Tsuji, Satoshi Shimizu | 2002-10-01 |
| 6034393 | Nonvolatile semiconductor memory device using trench isolation and manufacturing method thereof | Natsuo Ajika | 2000-03-07 |
| 5882473 | Fabric positioning apparatus used in producing synchronous belt | Michio Tanaka | 1999-03-16 |
| 5735389 | Conveying system | Masahiko Houzouji | 1998-04-07 |
| 5654239 | Method of manufacturing a contact structure of an interconnection layer for a semiconductor device and a multilayer interconnection SRAM | — | 1997-08-05 |
| 5581093 | Contact structure of an interconnection layer for a semiconductor device and a multilayer interconnection SRAM | — | 1996-12-03 |
| 5497022 | Semiconductor device and a method of manufacturing thereof | — | 1996-03-05 |