TD

Tetsuyuki Doi

RY Ryobi: 25 patents #6 of 309Top 2%
TC Taiyo Electric Ind. Co.: 2 patents #2 of 9Top 25%
Overall (All Time): #139,941 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 25 most recent of 28 patents

Patent #TitleCo-InventorsDate
D602793 Flowmeter Nobuaki Nakamoto 2009-10-27
D530168 Soldering iron Tomohiro Shigekawa 2006-10-17
D341155 Offset printing machine Yutaka Fujii 1993-11-09
D332797 Offset printing machine Takahiko Shinmoto 1993-01-26
D332464 Offset printing machine Hideo Aoyama, Katsushi Hirokawa 1993-01-12
D324876 Offset printing machine Kenso Maehara 1992-03-24
D324696 Offset printing machine Koji Ishii 1992-03-17
D324537 Offset printing machine Kenso Maehara 1992-03-10
D324538 Offset printing machine Kenso Maehara 1992-03-10
D323844 Offset printing machine Yusaku Kitamura 1992-02-11
D321000 Offset printing machine Yusaku Kitamura 1991-10-22
D302173 Numbering machine Kenso Maehara 1989-07-11
D300843 Fishing reel Etsuo Hiraishi 1989-04-25
D300842 Fishing reel Masaharu Nouma 1989-04-25
D300055 Fishing reel Etsuo Hiraishi 1989-02-28
D299849 Fishing reel Etsuo Hiraishi 1989-02-14
D290966 Printing machine Toshiaki Saito, Koji Ishii 1987-07-21
D287814 Electric drill Etsuo Hiraishi, Hiroshi Morikawa 1987-01-20
D284546 Cutter Hideki Kawakami 1986-07-08
D281663 Circular saw Hitoshi Tsuru 1985-12-10
D261411 Fishing rod grip Takeshi Shohoji 1981-10-20
D260804 Fishing reel Masakazu Sakamoto 1981-09-15
D259205 Fishing spinning reel Takeshi Shohoji 1981-05-12
D258977 Fishing rod grip Masakazu Sakamoto 1981-04-21
D257688 Fishing spinning reel Takeshi Shohoji 1980-12-23