Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291687 | Lubricating oil composition | — | 2025-05-06 |
| 10378762 | Equipment safety management device, equipment safety management method, and natural gas liquefaction device | Tsuneo Watanabe | 2019-08-13 |
| 9960326 | Light emitting device | Masafumi Kuramoto, Akiko Yamasaki, Hirofumi Ichikawa, Akihiro Ota | 2018-05-01 |
| 9893250 | Light emitting device having silicone resin-based sealing member | Hirofumi Ichikawa, Tomoki Tanisada, Masafumi Kuramoto | 2018-02-13 |
| 9850446 | Lubricant composition | Junya Iwasaki | 2017-12-26 |
| 9790450 | Lubricating oil composition for engine made of aluminum alloy and lubrication method | Junya Iwasaki, Yoriyuki Takashima | 2017-10-17 |
| 9653662 | Light emitting device | Masafumi Kuramoto, Akiko Yamasaki, Hirofumi Ichikawa, Akihiro Ota | 2017-05-16 |
| 9559274 | Light emitting device and resin composition | Akihiro Ota, Seitaro Akagawa, Hirofumi Ichikawa | 2017-01-31 |
| 9447358 | Lubricant composition for internal combustion engine oil | Junya Iwasaki | 2016-09-20 |
| 9397276 | Light emitting device and resin composition | Akihiro Ota, Seitaro Akagawa, Hirofumi Ichikawa | 2016-07-19 |
| 7967476 | Light emitting device including protective glass film | Tadao Hayashi, Hiroto Tamaki, Shoji Hosokawa | 2011-06-28 |
| 5190086 | Medicament supply apparatus for use in elution testing device | — | 1993-03-02 |