Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6344134 | Method for measuring NOx concentration and NOx concentration sensor | Tessho Yamada, Noboru Ishida, Yoshiro Noda, Nobuhiro Hayakawa, Norihiko Nadanami +4 more | 2002-02-05 |
| 5202154 | Method of producing thick-film gas sensor element having improved stability | Keizo Furusaki, Mineji Nasu, Akio Takami | 1993-04-13 |
| RE33980 | Thick-film gas-sensitive element | Teppei Okawa, Keizo Furusaki, Akio Takami | 1992-06-30 |
| 4958514 | Gas sensing element | Akio Takami, Keizo Furusaki | 1990-09-25 |
| 4909066 | Thick-film gas sensor of a laminar structure and a method of producing the same | Keizo Furusaki, Akio Takami | 1990-03-20 |
| 4857275 | Thick-film gas-sensitive element | Keizo Furusaki, Mineji Nasu, Akio Takami, Teppei Okawa | 1989-08-15 |
| 4825683 | Apparatus for evaluating an oxygen sensor | Akio Takami, Ken Minoha, Mineji Nasu, Toshifumi Sekiya, Akio Mizutani +1 more | 1989-05-02 |
| 4720394 | Gas sensor with ceramics substrate and method for producing the same | Takao Kojima, Akira Nakano, Akio Takami | 1988-01-19 |
| 4688015 | Gas sensor with ceramics substrate having surface-carried ceramics particles | Takao Kojima, Akira Nakano, Akio Takami | 1987-08-18 |
| 4660407 | Gas sensor | Akio Takami, Akira Nakano, Yoshiaki Kuroki | 1987-04-28 |
| 4656863 | Gas sensor | Akio Takami, Nobuo Kawai | 1987-04-14 |
| 4652849 | Gas sensor | Teppei Ohkawa, Keizo Furusaki, Akio Takami | 1987-03-24 |
| 4620437 | Gas sensor | Akio Takami, Toshifumi Sekiya, Yoshiaki Kuroki | 1986-11-04 |
| 4596132 | Gas component detecting plug | Akio Takami, Nobuo Kawai, Toshihiko Kimura | 1986-06-24 |
| 4532179 | Metal-ceramic bonded material | Akio Takami, Kazutoshi Tanaka, Toshifumi Sekiya | 1985-07-30 |
| 4322968 | Temperature compensated plug-in type oxygen detector for exhaust gas | Akio Takami, Tsutomu Saito | 1982-04-06 |
| 4288774 | Gas detector | Akio Takami, Tsutomu Saito | 1981-09-08 |