Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481545 | Vibration damping shim structure | Takahiro Niwa, Masaki Yoshihara, Tadashi Arai | 2002-11-19 |
| 6213257 | Squeak preventing shim | Takahiro Niwa, Masaki Yoshihara | 2001-04-10 |
| 6135595 | Eyeglass lenses for correcting color vision | Katsuyoshi Takeshita, Yoshihiko Kasai, Toshiya Otsuki | 2000-10-24 |
| 5939179 | Constraint type vibration damping material | Hiroshi Saito, Takahiro Niwa | 1999-08-17 |
| 5762166 | Shim for preventing brake squeal in a disk brake | Takahiro Niwa, Seiji Sakurada, Masaki Yoshihara | 1998-06-09 |
| 5489180 | Vibration damping body and method for fabricating same | Sunao Ichihara, Takahiro Niwa, Shyuichi Ishiwa, Katsunori Ueda | 1996-02-06 |
| 5351940 | Vibration damping material | Takahiro Niwa, Seiji Sakurada | 1994-10-04 |
| 4432732 | Method for predicting properties of a chemical compound | — | 1984-02-21 |