Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398339 | Lubricating oil composition | Shunsuke Monjiyama, Atsumi Urabe | 2025-08-26 |
| 12378336 | Dewaxing aid | Shunsuke Monjiyama, Hideki Kawamoto | 2025-08-05 |
| 12098343 | Lubricant additive and lubricant composition comprising same | Shunsuke Monjiyama | 2024-09-24 |
| 11739280 | Lubricant additive, lubricant additive composition, and lubricating oil composition containing the same | Yutaro Shimizu, Hideki Kawamoto | 2023-08-29 |
| 11739283 | Lubricant additive, lubricant additive composition, and lubricating oil composition containing the same | Yutaro Shimizu, Hideki Kawamoto, Seita Ueda | 2023-08-29 |
| 11603582 | Al—Si—Fe-based aluminum alloy casting material and method for producing the same | Satoru Suzuki, Katumi Fukaya | 2023-03-14 |
| 11549461 | High strength aluminum alloy, internal combustion engine piston comprising said alloy, and method for manufacturing internal combustion engine piston | Izumi Yamamoto, Hiroshi Horikawa, Katsumi Fukaya, Takashi Seki, Tadashi Watanabe | 2023-01-10 |
| 10920301 | Aluminum alloy casting having superior high-temperature strength and thermal conductivity, method for manufacturing same, and aluminum alloy casting piston for internal combustion engine | Izumi Yamamoto, Hisayasu Kojima, Naoko Sato, Ryo Wakabayashi, Akito Tanihata | 2021-02-16 |
| 10437142 | Support frame for pellicle | Akira Iizuka, Koichi Nakano, Hayato Kiyomi, Tomohiro Isobe | 2019-10-08 |
| 9657372 | Manufacturing method of aluminum alloy in which Al—Fe—Si compound is refined | Tetsuya Kikuiri, Tomohiro Isobe, Hiroshi Okada | 2017-05-23 |
| 9303299 | Method of production of aluminum alloy with refined Al—Fe—Si-based compounds and primary crystal Si | Tomohiro Isobe, Hiroshi Okada | 2016-04-05 |
| 9228248 | Method of recovering rare-earth elements | Kaoru Sugita, Yasushi Kobayashi, Yoshihiro Taguchi, Satoshi Takeda, Yuji Ota +2 more | 2016-01-05 |
| 9222151 | Aluminum alloy excellent in high temperature strength and heat conductivity and method of production of same | Jie Xing, Izumi Yamamoto, Yutaka Ishida, Hiroshi Horikawa | 2015-12-29 |
| 9212333 | Dispersant, dispersion, method for adjusting viscosity of dispersant, mobile device, surface treatment agent, electrolytic solution, separator, and rechargeable lithium ion battery | Satoshi Ichikawa, Shigeru Yao | 2015-12-15 |
| 8526339 | Echo cancellation circuit | Shinji Nakatsuka | 2013-09-03 |
| 7599267 | Writing method and optical disk device | Koichi Watanabe, Hiroyuki Minemura, Mitsunori Kobayashi | 2009-10-06 |
| 7383557 | Recording disk apparatus having regions of constrained thermal conduction | Hiroyuki Toyoda, Shigeo Ohashi, Yoshiaki Yamauchi, Makoto Ibe | 2008-06-03 |
| 7382723 | Hitless switching system and transmission apparatus | Atsushi Sutoh | 2008-06-03 |
| 6700846 | Information recording and reproducing apparatus and disk discrimination method thereof | Tokinori Furuichi, Yuji Hirai, Hiroyuki Hayashi, Gohshi Jin, Naomi Nomura +1 more | 2004-03-02 |
| 6510115 | Information recording and reproducing apparatus and disk discrimination method thereof | Tokinori Furuichi, Yuji Hirai, Hiroyuki Hayashi, Gohshi Jin, Naomi Nomura +1 more | 2003-01-21 |
| 6329849 | Apparatus and method for converting differential voltage to fully balanced currents | Zdzislaw Czarnul, Hirotomo Ishii | 2001-12-11 |
| 6163374 | Bending angle detection system | Toshio Otani, Toshiyuki Oenoki | 2000-12-19 |
| 6084476 | Operational amplifier | Naoyuki Hamanishi | 2000-07-04 |
| 6003353 | Bending method and bending apparatus | Toshiro Ootani, Toshiyuki Ooenoki | 1999-12-21 |
| 5969546 | Comparator circuit | Naoyuki Hamanishi | 1999-10-19 |