Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8391654 | Wavelength selection switch | Toshiki Nishizawa, Yuji Mitsuhashi | 2013-03-05 |
| 8110625 | Rubber composition | Daisuke Nohara, Masaaki Tsuchihashi, Tetsuo Takano | 2012-02-07 |
| 7799856 | Rubber composition | Daisuke Nohara, Masaaki Tsuchihashi, Tetsuo Takano | 2010-09-21 |
| 6806303 | Additive for rubber composition, additive composition for rubber composition, rubber composition and tire | Daisuke Nohara, Jingo Shirasaka, Masaaki Tsuchihashi, Tetsuo Takano | 2004-10-19 |
| 6559209 | Rubber composition and pneumatic tire | Shunji Araki, Masaaki Tsuchihashi | 2003-05-06 |
| 6355710 | Rubber composition | Kazuhiro Yanagisawa, Masaaki Tsuchihashi, Tetsuo Takano | 2002-03-12 |
| 6130277 | Rubber composition improved in anti-static property and pneumatic tire using the same | Nobuyuki Okamura, Masaaki Tsuchihashi | 2000-10-10 |
| 6008304 | Additive for masticating natural rubber, mastication method of natural rubber, natural rubber composition obtained by the mastication method thereof, and pneumatic tire using the natural rubber composition thereof | Daisuke Nohara, Masaaki Tsuchihashi | 1999-12-28 |
| 5879589 | Process for antistatic treatment of resin and antistatic resin composition | Seiichi Miyanaga, Yasuhiro Doi, Kenichi Nishimura, Yuzo Sumida | 1999-03-09 |
| 5500322 | Developer additive, toner and developer composition | Shingo Tanaka, Tetsuya Ueno, Akito Itoi | 1996-03-19 |
| 5439961 | Process for producing polyester film | Akito Itoi, Akira Takenaka | 1995-08-08 |
| 5340521 | Melt viscosity depressant for polyester resin and polyester resin composition comprising the same | Akito Itoi, Yasuo Ishii | 1994-08-23 |
| 5178950 | Process for producing cationic dye-dyeable polyester fiber with high strength and polyester resin composition used therefor | Akito Itoi, Yasuo Ishii, Toshio Sato | 1993-01-12 |
| 4317186 | Device for determining the position of a sound source | Hiroyasu Nakasa | 1982-02-23 |