| Signature Search | 
Swordsmith Index is intended to be a non-commercial resource to support Nihonto studies and raise awareness of history and appreciation of genuine Japanese swords. Find more information about the Index, its description and methods of use here.
| ID | Name | Province | Era | Mei | 
|---|---|---|---|---|
| SAD628 | Sadashige | Ehime | Shōwa (1926-1989) | 豫州西條住平貞重造 yoshū saijō ju taira sadashige tsukuru | 
| SAD638 | Sadashige | Owari | Manji (1658-1661) | 對馬守藤原貞重 tsushima no kami fujiwara sadashige | 
| SAD638 | Sadashige | Owari | Manji (1658-1661) | 尾州對馬守藤原貞重 bishū tsushima no kami fujiwara sadashige | 
| SAD65 | Sadakuni | Chikuzen | Bunsei (1818-1830) | 筑前福岡住定國扞彫 chikuzen fukuoka ju sadakuni narabini hori | 
| SAD66 | Sadakuni | Chikuzen | Ansei (1854-1860) | 信國七左衛門定國 nobukuni shichisaemon sadakuni | 
| SAD66 | Sadakuni | Chikuzen | Ansei (1854-1860) | 筑州住信國源定國 chikushū ju nobukuni minamoto sadakuni | 
| SAD66 | Sadakuni | Chikuzen | Ansei (1854-1860) | 筑前國藤原住信國源定國 chikuzen kuni fujiwara ju nobukuni minamoto sadakuni | 
| SAD666 | Sadasue | Iwami | Kyōtoku (1452-1455) | 石州住貞末 sekishū ju sadasue | 
| SAD666 | Sadasue | Iwami | Kyōtoku (1452-1455) | 石州長濱貞末 sekishū nagahama sadasue | 
| SAD667 | Sadasue | Iwami | Eikyō (1429-1441) | 石州住貞末 sekishū ju sadasue | 
| SAD667 | Sadasue | Iwami | Eikyō (1429-1441) | 石州長濱貞末 sekishū nagahama sadasue | 
| SAD668 | Sadasue | Iwami | Kōji (1555-1558) | 石州長濱住貞末 sekishū nagahama ju sadasue | 
| SAD680 | Sadatake | Ugo | Ansei (1854-1860) | 羽後住貞武 ugo ju sadatake | 
| SAD70 | Sadakuni | Yamashiro | Teiji (1362-1368) ND | 定國 sadakuni | 
| SAD70 | Sadakuni | Yamashiro | Teiji (1362-1368) ND | 八幡大菩薩定國 hachiman daibosatsu sadakuni | 
| SAD701 | Sadatoshi | Yamato | Shōwa (1926-1989) | 和州之住月山貞利 washū no ju gassan sadatoshi | 
| SAD704 | Sadatoshi | Hitachi | Ansei (1854-1860) | 水府臣清心子平井友右衛門藤原貞俊 suifu-shin seishinshi hirai tomoemon fujiwara sadatoshi | 
| SAD704 | Sadatoshi | Hitachi | Ansei (1854-1860) | 一心齋貞俊 ishinsai sadatoshi | 
| SAD705 | Sadatoshi | Hizen | Tenmon (1532-1555) | 坊所貞俊作 bosho sadatoshi saku | 
| SAD706 | Sadatoshi | Hizen | Kanei (1624-1644) | 肥前國住貞俊 hizen kuni ju sadatoshi | 
| SAD709 | Sadatoshi | Iwashiro | Ansei (1854-1860) | 仙臺白石貞俊 sendai shiraishi sadatoshi | 
| SAD709 | Sadatoshi | Iwashiro | Ansei (1854-1860) | 佐佐木一流齋源貞俊 sasaki ichiryusai minamoto sadatoshi | 
| SAD709 | Sadatoshi | Iwashiro | Ansei (1854-1860) | 高田家臣白石貞俊作 takata kashin shiraishi sadatoshi saku | 
| SAD714 | Sadatoshi | Echigo | Kaei (1848-1854) | 松井甫右鳳齋貞壽造 matsui hōsai sadatoshi tsukuru | 
| SAD717 | Sadatoshi | Tokushima | Shōwa (1926-1989) | 清心子貞壽造之 seishinshi sadatoshi tsukuru kore | 
| SAD722 | Sadatsugu | Bingo | Kyōtoku (1452-1455) | 備州鞆住貞次 bishū tomo ju sadatsugu | 
| SAD725 | Sadatsugu | Bitchū | Genryaku (1184-1185) | 貞次 sadatsugu | 
| SAD726 | Sadatsugu | Bitchū | Kenmu (1334-1338) ND | 備中國住人右衛門太郎平貞次 bitchu kuni junin uemontarō taira sadatsugu | 
| SAD726 | Sadatsugu | Bitchū | Kenmu (1334-1338) ND | 備中國大隅權介平貞次 bitchu kuni ōsumi gonnosuke taira sadatsugu | 
| SAD726 | Sadatsugu | Bitchū | Kenmu (1334-1338) ND | 備中松山住大隅守平貞次 bitchu matsuyama ju ōsumi no kami taira sadatsugu | 
| SAD727 | Sadatsugu | Bitchū | Karoku (1225-1227) | 貞次 sadatsugu | 
| SAD728 | Sadatsugu | Bitchū | Einin (1293-1299) | 貞次 sadatsugu | 
| SAD729 | Sadatsugu | Bitchū | Genō (1319-1321) | 貞次 sadatsugu | 
| SAD73 | Sadamichi | Owari | Kanbun (1661-1673) | 越前守源定道 echizen no kami minamoto sadamichi | 
| SAD73 | Sadamichi | Owari | Kanbun (1661-1673) | 三品越前守源定道 mishina echizen no kami minamoto sadamichi | 
| SAD730 | Sadatsugu | Bitchū | Kareki (1326-1329) | 貞次 sadatsugu | 
| SAD730 | Sadatsugu | Bitchū | Kareki (1326-1329) | 備中國住人貞次作 bitchu kuni junin sadatsugu saku | 
| SAD730 | Sadatsugu | Bitchū | Kareki (1326-1329) | 備中國青江住右衛門尉貞次作 bitchu kuni aoe ju uemonjō sadatsugu saku | 
| SAD731 | Sadatsugu | Bitchū | Teiwa (1345-1350) ND | 備中國住青江大隅權介貞次作 bitchu kuni ju aoe ōsumi gonnosuke sadatsugu saku | 
| SAD731 | Sadatsugu | Bitchū | Teiwa (1345-1350) ND | 備中國住大隅權介平貞次 bitchu kuni ju ōsumi gonnosuke taira sadatsugu | 
| SAD732 | Sadatsugu | Bitchū | Teiji (1362-1368) ND | 備中國住貞次 bitchu kuni ju sadatsugu | 
| SAD732 | Sadatsugu | Bitchū | Teiji (1362-1368) ND | 備中國住人青江貞次 bitchu kuni junin aoe sadatsugu | 
| SAD733 | Sadatsugu | Bitchū | Shōhei (1346-1370) | 備中國貞次 bitchu kuni sadatsugu | 
| SAD733 | Sadatsugu | Bitchū | Shōhei (1346-1370) | 備中國住大隅右衛門權介平貞次 bitchu kuni ju ōsumi uemon gonnosuke taira sadatsugu | 
| SAD733 | Sadatsugu | Bitchū | Shōhei (1346-1370) | 備中國住人貞次 bitchu kuni junin sadatsugu | 
| SAD733 | Sadatsugu | Bitchū | Shōhei (1346-1370) | 備中國住大隅右衛門佐貞次 bitchu kuni ju uemonnosuke sadatsugu | 
| SAD734 | Sadatsugu | Bitchū | Meitoku (1390-1394) ND | 備中國猪俣住貞次 bitchu kuni inomata ju sadatsugu | 
| SAD734 | Sadatsugu | Bitchū | Meitoku (1390-1394) ND | 備中國住貞次 bitchu kuni ju sadatsugu | 
| SAD735 | Sadatsugu | Bitchū | Ōei (1394-1428) | 備中國住衛門太郎貞次作 bitchu kuni ju emontarō sadatsugu saku | 
| SAD735 | Sadatsugu | Bitchū | Ōei (1394-1428) | 備中國住衛門太郎平貞次作 bitchu kuni ju emontarō taira sadatsugu saku | 

