Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525905 | Silencer for automobile and manufacturing method thereof | Shuzo Iwata, Arata Tajima, Junpei Shimomura, Kazuya Kusama | 2020-01-07 |
| 7677616 | Bumper absorber | Seiho Yonezawa, Soshi Mitsuyama, Hiroyasu Miyamoto | 2010-03-16 |
| 7581769 | Bumper absorber and manufacturing method for the same | Kohsuke Wakabayashi, Satoru Shioya, Masakazu Sakaguchi | 2009-09-01 |
| 6437133 | Method of catalytically removing a protective group containing an allyl group using a reducing agent | Kunio Ogasawara | 2002-08-20 |
| 6313353 | Method for producing an optically active acyloin | Kunio Ogasawara | 2001-11-06 |
| 5900369 | Method for producing oxodicyclopentadiene | Kunio Ogasawara | 1999-05-04 |