AK

Akihiro Koyama

NL Nippon Sheet Glass Company, Limited: 38 patents #3 of 836Top 1%
AV Avanstrate: 20 patents #1 of 22Top 5%
Canon: 7 patents #7,830 of 19,416Top 45%
HO Hoya: 6 patents #201 of 1,290Top 20%
KA Kao: 6 patents #545 of 3,221Top 20%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
SO Sony: 2 patents #12,963 of 25,231Top 55%
OL Olympus: 2 patents #1,626 of 3,097Top 55%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
JA Jatco: 1 patents #458 of 871Top 55%
TC Takara Co.: 1 patents #53 of 93Top 60%
TC Threebond Co.: 1 patents #61 of 172Top 40%
TC Threebond Fine Chemical Co.: 1 patents #5 of 31Top 20%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
KO Komatsu: 1 patents #1,163 of 2,087Top 60%
MA Marktec: 1 patents #2 of 6Top 35%
Overall (All Time): #19,932 of 4,157,543Top 1%
85
Patents All Time

Issued Patents All Time

Showing 1–25 of 85 patents

Patent #TitleCo-InventorsDate
12359399 Work vehicle and method for controlling work vehicle 2025-07-15
12249625 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device Takeshi Tawara, Tomonori Mizushima, Shinichiro Matsunaga, Kensuke Takenaka, Manabu Takei +6 more 2025-03-11
11894559 Dispersant composition for carbon nanotube Akito Itoi, Yutaro Kinoshita, Atsushi Hiraishi, Takahiro Yano 2024-02-06
11891502 Dispersant for power storage device positive electrode Yutaro Kinoshita, Akito Itoi, Atsushi Hiraishi, Takahiro Yano 2024-02-06
11787931 Photocurable resin composition, sealing material for fuel cell, cured product thereof, fuel cell, and sealing method Koji Yamada, Tetsunori SOGA 2023-10-17
11655434 Composition Takanori Saito, Yoichiro Imori, Yukiko Yamawaki 2023-05-23
11655435 Hydroxy alkyl cellulose soil release agent with a cationic group and a C4—C12 hydrophobic group Takanori Saito, Yoichiro Imori, Yukiko Yamawaki 2023-05-23
11401350 Polysaccharide derivative Yoichiro Imori, Takanori Saito, Akifumi Kobayashi, Takahiro Yano 2022-08-02
11359166 Fabric treatment composition Yukiko Yamawaki, Takanori Saito, Yoichiro Imori 2022-06-14
10927034 Glass substrate for display and method for producing same Manabu Ichikawa 2021-02-23
10714571 Silicon carbide semiconductor device having halogen field limiting ring regions and method of manufacturing same Kohei Ebihara 2020-07-14
10690549 Temperature sensor holder Masaomi Morishita, Yasushi Arakawa 2020-06-23
10381793 Ground connection structure Yukinari Naganishi, Akira Baba, Takashi Odajima, Hirohito Habara, Hideaki Saitoh +2 more 2019-08-13
10020367 Silicon carbide semiconductor device Kohei Ebihara, Hidenori KOKETSU, Akemi Nagae, Kotaro KAWAHARA, Hiroshi Watanabe +2 more 2018-07-10
9874596 Method for manufacturing silicon carbide semiconductor apparatus, and energization test apparatus Shoyu Watanabe, Shigehisa Yamamoto, Yukiyasu Nakao, Kazuya KONISHI 2018-01-23
9676933 Moisture-curing composition Yosuke Watanabe, Hiroki Sadanaga 2017-06-13
9580352 Glass substrate for flat panel display and method for manufacturing same Satoshi Ami, Manabu Ichikawa 2017-02-28
9469564 Glass substrate for flat panel display and manufacturing method thereof Satoshi Ami, Manabu Ichikawa 2016-10-18
9434644 Cover glass and method for producing cover glass Mikiko MORISHITA, Satoshi Ami, Kazuaki Hashimoto, Tetsuo Takano 2016-09-06
9321671 Glass substrate for flat panel display and manufacturing method thereof Satoshi Ami, Manabu Ichikawa 2016-04-26
9242890 Glass composition, glass substrate for flat panel display using the same, flat panel display, and method for producing glass substrate for flat panel display Mikiko Hashimoto 2016-01-26
9237994 Glass flake and coated glass flake Kosuke Fujiwara 2016-01-19
9212288 Glass flake and coated glass flake Kosuke Fujiwara 2015-12-15
9096459 Glass substrate for flat panel display and manufacturing method thereof Satoshi Ami, Manabu Ichikawa 2015-08-04
9029280 Glass substrate for flat panel display and method for manufacturing same Satoshi Ami, Manabu Ichikawa 2015-05-12