AY

Akihiro Yamanaka

Canon: 54 patents #619 of 19,416Top 4%
TO Toyota: 10 patents #2,889 of 26,838Top 15%
HI Hitachi: 9 patents #4,653 of 28,497Top 20%
NT Ntn: 6 patents #253 of 1,364Top 20%
SI Sumitomo Metal Industries: 6 patents #80 of 1,462Top 6%
NM Nippon Steel & Sumitomo Metal: 6 patents #158 of 1,491Top 15%
TC Toyo Machinery & Metal Co.: 3 patents #3 of 31Top 10%
NT NTT: 2 patents #2,095 of 4,871Top 45%
JG Jgc: 2 patents #69 of 393Top 20%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
KC Katayama Kogyo Co.: 1 patents #12 of 47Top 30%
OU Osaka University: 1 patents #681 of 1,984Top 35%
PT Pixie Dust Technologies: 1 patents #5 of 11Top 50%
IT Itoki: 1 patents #40 of 73Top 55%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
UK Ulvac Kiko: 1 patents #8 of 22Top 40%
HC Hayashibara Co.: 1 patents #34 of 78Top 45%
GC Global Nuclear Fuel—Japan Co.: 1 patents #2 of 20Top 10%
📍 Iwata, JP: #3 of 782 inventorsTop 1%
Overall (All Time): #13,298 of 4,157,543Top 1%
104
Patents All Time

Issued Patents All Time

Showing 76–100 of 104 patents

Patent #TitleCo-InventorsDate
5786832 Ink-jet recording head Takashi Watanabe, Hiroyuki Ishinaga, Takahisa Kawamura, Seiichiro Karita, Norio Ohkuma +5 more 1998-07-28
5787139 Fuel loading method Mitsunari Nakamura, Katsumasa Haikawa, Akiko Kanda, Takaaki Mochida, Junichi Yamashita +2 more 1998-07-28
5781604 Initial core and fuel assembly Katsumasa Haikawa, Akiko Kanda, Motoo Aoyama, Yoko Yuchi, Junichi Yamashita 1998-07-14
D395446 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1998-06-23
D392670 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1998-03-24
5729256 Ink remain detector having a biased flexible film member with limited deformation Hiroshi Iida, Minoru Nozawa 1998-03-17
D390868 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1998-02-17
D390870 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1998-02-17
5697338 Fuel injection controller for use in an internal combustion engine Katsuhiko Hirose, Takao Tate, Norihiko Nakamura, Takeshi Sato, Kazuhiro Iwahashi +1 more 1997-12-16
D383158 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1997-09-02
D383155 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1997-09-02
D383156 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1997-09-02
D383157 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1997-09-02
D382587 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1997-08-19
D382014 Ink cartridge holder for printer Naoki Tashiro, Keiichiro Tsukuda 1997-08-05
D380772 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1997-07-08
5631939 Initial core of nuclear power plant Hiroko Haraguchi, Yoshihiri Iwashita, Toshiro Yoshioka, Junichi Koyama, Mitsunari Nakamura +1 more 1997-05-20
5623290 Recording apparatus and supply system having residual ink quantity detection Hiroshi Iida, Minoru Nozawa 1997-04-22
D378833 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1997-04-15
5619237 Replaceable ink tank Hiroyuki Inoue, Sadayuki Sugama, Soichi Hiramatsu, Hideki Yamaguchi, Toshihiko Ujita +7 more 1997-04-08
D376385 Ink cartridge for printer Naoki Tashiro, Keiichiro Tsukuda 1996-12-10
5562086 Control device of a varable cylinder engine Toshiaki Asada, Toyokazu Baika, Kazuhiro Iwahashi 1996-10-08
5540633 Control device for variable displacement engine Toyokazu Baika, Kenichiroh Shindoh, Toshiaki Asada, Kenichi Nomura 1996-07-30
5485822 Fuel injection controller for use in an internal combustion engine Katsuhiko Hirose, Takao Tate, Norihiko Nakamura, Takeshi Sato, Kazuhiro Iwahashi +1 more 1996-01-23
5477244 Testing method and apparatus for judging a printing device on the basis of a test pattern recorded on a recording medium by the printing device Masaru Shibata, Fumio Ichikawa, Asao Saito 1995-12-19