HT

Hiroyuki Tsuchiya

FU Futaba: 6 patents #21 of 292Top 8%
Yamaha: 6 patents #432 of 2,001Top 25%
DE Denso: 6 patents #2,220 of 11,792Top 20%
SE Seiko Epson: 5 patents #2,973 of 7,774Top 40%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
TS Taiyo Nippon Sanso: 5 patents #17 of 203Top 9%
OC Otsuka Chemical Co.: 4 patents #39 of 269Top 15%
AC Asahi Kasei Kogyo Co.: 4 patents #154 of 1,395Top 15%
NC Nissin Electric Co.: 4 patents #25 of 208Top 15%
SO Sony: 3 patents #10,744 of 25,231Top 45%
JA Japan Science And Technology Agency: 3 patents #235 of 2,171Top 15%
NC Nippon Chemiphar Co.: 2 patents #57 of 155Top 40%
FU Fujifilm: 2 patents #2,431 of 4,519Top 55%
HC Hitachi Engineering & Services Co.: 2 patents #17 of 129Top 15%
HC Hitachi Nuclear Engineering Co.: 2 patents #1 of 32Top 4%
ON onsemi: 2 patents #740 of 1,901Top 40%
OP Osaka Prefecture: 1 patents #15 of 59Top 30%
AM Amano: 1 patents #20 of 70Top 30%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
MC Mori Seiki Co.: 1 patents #106 of 217Top 50%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
KP Kringle Pharma: 1 patents #12 of 28Top 45%
JC Japan Crown Cork Co.: 1 patents #36 of 72Top 50%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
Canon: 1 patents #14,899 of 19,416Top 80%
NK Nippon Kogaku K.K.: 1 patents #221 of 382Top 60%
Overall (All Time): #41,494 of 4,157,543Top 1%
58
Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
5137055 Stop valve Tetsuhiko Matsushima, Katsurou Fujimoto 1992-08-11
4690565 Optical apparatus for the detection of scattered light Kinya Kato 1987-09-01
4444737 Process for separating and recovering hydrogen isotope Yamato Asakura, Teiji Suzuki, Makoto Kikuchi 1984-04-24
4369249 Process for producing polymeric image and photosensitive element therefor Masayoshi Mizuno 1983-01-18
4312647 Iodine adsorbent Kiyomi Funabashi, Makoto Kikuchi 1982-01-26
4287290 Process for producing polymeric image by diffusion step Masayoshi Mizuno 1981-09-01
4254209 Dry planographic plate with light sensitive silicone composition Kohki Abe, Masayoshi Mizuno 1981-03-03
4252690 Metallic catalyst and process for preparing the same Kunio Kamiya, Hideo Yusa 1981-02-24