Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12396934 | Powder cosmetic | Kiho Gawahara, Ikuo Kondo, Hiroshi Shima | 2025-08-26 |
| D983059 | Gas concentration detection sensor | Takeshi Omori | 2023-04-11 |
| 11486853 | Gas sensor and protective cover | Takeshi Omori | 2022-11-01 |
| 11460456 | Gas sensor | Takeshi Omori | 2022-10-04 |
| 5938910 | Electrolytic manganese dioxide and method of manufacturing the same | Hisao Takehara, Yoshihiro Nakayama, Ryoichi Shimizugawa, Tsutomu Kishikawa, Takumi Murai +1 more | 1999-08-17 |
| 5746902 | Electrolytic manganese dioxide and method of manufacturing the same | Hisao Takehara, Yoshihiro Nakayama, Ryoichi Shimizugawa, Tsutomu Kishikawa, Takumi Murai +1 more | 1998-05-05 |